# Average Mcqs

**What is the average of 10, 20, and 30?**

- A) 20
- B) 25
- C) 30
- D) 35
**Answer:**B) 20

**The average of five numbers is 20. What is the sum of the five numbers?**

- A) 80
- B) 100
- C) 120
- D) 140
**Answer:**A) 100

**If the average of three numbers is 30, then the sum of these numbers is:**

- A) 60
- B) 90
- C) 100
- D) 120
**Answer:**B) 90

**A student scores 45, 55, 65, and 85 in four exams. What is the average score?**

- A) 55
- B) 60
- C) 65
- D) 70
**Answer:**C) 65

**The average of 8, 12, 20, and 30 is:**

- A) 15
- B) 17.5
- C) 18
- D) 20
**Answer:**B) 17.5

**If the average of two numbers is 20 and one of the numbers is 15, what is the other number?**

- A) 25
- B) 30
- C) 35
- D) 40
**Answer:**A) 25

**The average of 10, 15, 20, 25, and 30 is:**

- A) 20
- B) 22
- C) 23
- D) 25
**Answer:**A) 20

**A group of students has an average height of 150 cm. If a new student with a height of 160 cm joins the group, making the average height 152 cm, what was the original number of students?**

- A) 10
- B) 11
- C) 12
- D) 13
**Answer:**B) 10

**What is the average of the first 10 natural numbers?**

- A) 4.5
- B) 5
- C) 5.5
- D) 6
**Answer:**C) 5.5

**The average age of a group of 15 people is 24 years. If the age of one person is 30 years, what is the average age of the remaining people?**

- A) 23
- B) 24
- C) 25
- D) 26
**Answer:**B) 23.8

**The average score of a student in 5 subjects is 70. If the student scores 80 in one subject, what is the average score in the remaining 4 subjects?**

- A) 60
- B) 65
- C) 70
- D) 75
**Answer:**B) 65

**If the average of 7, 14, and 21 is 14, what is the average of these numbers after adding 10 to each?**

- A) 24
- B) 25
- C) 28
- D) 30
**Answer:**B) 24

**The average of 6 numbers is 12. If the sum of the first 4 numbers is 40, what is the sum of the last 2 numbers?**

- A) 24
- B) 28
- C) 30
- D) 32
**Answer:**D) 24

**A class has an average score of 75%. If 5 students scored 80%, 70%, 60%, 90%, and 85% respectively, what is the average score of the remaining students if the average score of the class is 75%?**

- A) 70%
- B) 75%
- C) 80%
- D) 85%
**Answer:**A) 75%

**If the average of 5 numbers is 45, what will be the average if 10 is added to each number?**

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 55

**The average weight of 12 persons is 60 kg. If a new person weighing 70 kg joins the group, what will be the new average weight?**

- A) 61 kg
- B) 62 kg
- C) 63 kg
- D) 64 kg
**Answer:**A) 61 kg

**The average age of a group of friends is 24 years. After 5 years, what will be the new average age?**

- A) 24
- B) 29
- C) 30
- D) 35
**Answer:**B) 29

**What is the average of the following numbers: 1, 3, 7, 9, and 11?**

- A) 5
- B) 6
- C) 7
- D) 8
**Answer:**C) 6.2

**A shopkeeper sells 4 items at prices 10, 20, 30, and 40. What is the average selling price?**

- A) 25
- B) 30
- C) 35
- D) 40
**Answer:**B) 25

**If the average of four numbers is 20, then the average of the numbers after increasing each by 5 is:**

- A) 20
- B) 25
- C) 30
- D) 35
**Answer:**B) 25

**The average of 7 numbers is 21. If one of the numbers is 30, what is the average of the remaining 6 numbers?**

- A) 20
- B) 21
- C) 22
- D) 23
**Answer:**A) 20.14

**A group of students has an average height of 160 cm. If one student is replaced with a student who is 10 cm taller, what will be the new average height if the group consists of 20 students?**

- A) 160 cm
- B) 161 cm
- C) 162 cm
- D) 163 cm
**Answer:**B) 161 cm

**The average of three numbers is 12. If two of the numbers are 8 and 15, what is the third number?**

- A) 10
- B) 11
- C) 12
- D) 13
**Answer:**A) 10

**A person has a monthly expense of $4000. If the average expense is reduced by $1000, what is the new average expense?**

- A) $2500
- B) $3000
- C) $3500
- D) $4000
**Answer:**B) $3000

**If the average of a group of 8 numbers is 50, what is the sum of these numbers?**

- A) 350
- B) 400
- C) 450
- D) 500
**Answer:**D) 400

**A man scores 70, 80, 90, and 100 in four exams. What is his average score?**

- A) 80
- B) 85
- C) 90
- D) 95
**Answer:**B) 85

**What is the average of the following numbers: 5, 15, 25, and 35?**

- A) 20
- B) 22.5
- C) 25
- D) 27.5
**Answer:**B) 22.5

**If the average of five numbers is 40, what is the sum of the numbers?**

- A) 150
- B) 200
- C) 220
- D) 250
**Answer:**B) 200

**The average of three numbers is 12.5. If one of the numbers is 15, what is the average of the other two numbers?**

- A) 10
- B) 11
- C) 12
- D) 13
**Answer:**A) 10

**A person spends $300 on groceries and $200 on utilities. What is the average monthly expense if these are the only expenses?**

- A) $200
- B) $250
- C) $300
- D) $350
**Answer:**B) $250

**The average of 10 numbers is 35. If one number is removed, the average becomes 30. What is the removed number?**

- A) 25
- B) 30
- C) 35
- D) 40
**Answer:**D) 40

**If the average of five numbers is 28, what will be the new average if a sixth number, which is 35, is added?**

- A) 28.5
- B) 29
- C) 30
- D) 31
**Answer:**B) 29

**A student scores 70, 80, and 90 in three exams. What is the minimum score required in the fourth exam to have an average of 85?**

- A) 85
- B) 90
- C) 95
- D) 100
**Answer:**C) 95

**The average of 12 numbers is 50. If one number is 80, what will be the new average if this number is replaced by 60?**

- A) 48.33
- B) 49.17
- C) 50
- D) 50.83
**Answer:**B) 49.17

**The average salary of a group of 10 employees is $2000. If the salary of one employee is $2500, what will be the new average if the salary of another employee is increased by $1000?**

- A) $2100
- B) $2200
- C) $2300
- D) $2400
**Answer:**B) $2200

**What is the average of 5, 10, 15, 20, and 25?**

- A) 15
- B) 16
- C) 17
- D) 18
**Answer:**A) 15

**The average score of a class in a test is 75. If one student scored 90, what is the average score of the rest of the class?**

- A) 72
- B) 73
- C) 74
- D) 75
**Answer:**A) 72

**If the average of three numbers is 30 and the largest number is 50, what is the smallest number if the sum of the three numbers is 90?**

- A) 20
- B) 25
- C) 30
- D) 35
**Answer:**A) 20

**A team of 7 members has an average age of 25 years. If one member leaves and the average age becomes 24 years, what is the age of the member who left?**

- A) 22
- B) 25
- C) 27
- D) 30
**Answer:**D) 30

**The average of 6 numbers is 18. If two numbers are 10 and 20, what is the average of the remaining four numbers?**

- A) 16
- B) 17
- C) 18
- D) 19
**Answer:**B) 16.67

**If the average of 10 numbers is 40, what will be the average if one number is increased by 10?**

- A) 41
- B) 42
- C) 43
- D) 44
**Answer:**A) 41

**The average of five numbers is 22. If the average of the first three numbers is 20, what is the average of the last two numbers?**

- A) 24
- B) 26
- C) 28
- D) 30
**Answer:**B) 26

**If the average of four numbers is 25, what is the sum of these numbers?**

- A) 75
- B) 80
- C) 85
- D) 90
**Answer:**A) 100

**The average score of a class in a test is 50. If 5 students scored 40, 45, 55, 60, and 70 respectively, what is the average score of the remaining students?**

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 50

**A set of 5 numbers has an average of 15. If the first four numbers are 10, 20, 30, and 40, what is the fifth number?**

- A) 5
- B) 10
- C) 15
- D) 20
**Answer:**B) 5

**If the average of seven numbers is 45, what is the sum of these numbers?**

- A) 270
- B) 315
- C) 350
- D) 400
**Answer:**A) 315

**The average of eight numbers is 35. If the average of the first five numbers is 30, what is the average of the last three numbers?**

- A) 35
- B) 40
- C) 45
- D) 50
**Answer:**B) 40

**The average score of a student in 6 subjects is 80. If the student scores 90 in one subject, what is the average score in the remaining 5 subjects?**

- A) 78
- B) 80
- C) 82
- D) 85
**Answer:**A) 78

**What is the average of the numbers 12, 15, 18, 21, and 24?**

- A) 18
- B) 19
- C) 20
- D) 21
**Answer:**A) 18

**If the average of 8 numbers is 45, what is the average if one number is increased by 20?**

- A) 46
- B) 47
- C) 48
- D) 49
**Answer:**A) 46

**The average score of a student in 4 tests is 80. If the scores of 3 tests are 70, 85, and 90, what is the score of the fourth test?**

- A) 85
- B) 90
- C) 95
- D) 100
**Answer:**C) 95

**The average of 12 numbers is 50. If one number is 60, what is the average of the remaining 11 numbers?**

- A) 48
- B) 49
- C) 50
- D) 51
**Answer:**B) 49.09

**If the average of five numbers is 24, what will be the average if one number is replaced by a number which is 10 more than it?**

- A) 24
- B) 25
- C) 26
- D) 27
**Answer:**B) 25

**The average of 10 numbers is 30. If 5 of these numbers are 20 each, what is the average of the remaining 5 numbers?**

- A) 32
- B) 35
- C) 40
- D) 45
**Answer:**B) 40

**The average age of a group of 10 students is 15 years. If two students whose ages are 12 and 16 are removed, what is the new average age of the remaining students?**

- A) 14.2
- B) 14.6
- C) 15
- D) 15.4
**Answer:**A) 14.2

**A family of 4 members has an average age of 25 years. What is the total age of the family?**

- A) 80 years
- B) 85 years
- C) 90 years
- D) 100 years
**Answer:**A) 100 years

**The average score of a class in a test is 65. If the total score of the class is 520, how many students are there in the class?**

- A) 8
- B) 10
- C) 12
- D) 13
**Answer:**D) 13

**The average of 8 numbers is 30. If one number is increased by 10, what is the new average?**

- A) 30
- B) 31
- C) 32
- D) 33
**Answer:**B) 31

**If the average of five numbers is 25 and the sum of the first four numbers is 100, what is the fifth number?**

- A) 20
- B) 25
- C) 30
- D) 35
**Answer:**C) 30

**The average of 6 numbers is 16. If one of these numbers is 12, what is the average of the remaining 5 numbers?**

- A) 14
- B) 15
- C) 16
- D) 17
**Answer:**B) 14.4

**The average of 9 numbers is 22. If 3 of these numbers are 18, 20, and 24, what is the average of the remaining 6 numbers?**

- A) 20
- B) 21
- C) 22
- D) 23
**Answer:**B) 21.5

**If the average of 7 numbers is 40, what is the sum of these numbers?**

- A) 240
- B) 280
- C) 300
- D) 320
**Answer:**B) 280

**The average of a group of students is 20. If the number of students is increased by 5 and the new average becomes 22, what is the total number of students in the group?**

- A) 25
- B) 30
- C) 35
- D) 40
**Answer:**B) 30

**The average of 5 numbers is 12. If two numbers are 10 and 15, what is the average of the remaining three numbers?**

- A) 10
- B) 12
- C) 13
- D) 14
**Answer:**C) 13

**The average score of a class in a test is 75. If 5 students scored 80, 85, 70, 65, and 90 respectively, what is the average score of the remaining students?**

- A) 75
- B) 80
- C) 85
- D) 90
**Answer:**A) 75

**If the average of four numbers is 20 and three of these numbers are 15, 25, and 30, what is the fourth number?**

- A) 10
- B) 20
- C) 25
- D) 30
**Answer:**A) 10

**The average of 6 numbers is 50. If the largest number is 70, what is the average of the remaining 5 numbers?**

- A) 45
- B) 50
- C) 55
- D) 60
**Answer:**A) 45

**The average score of a group of students is 50. If the score of one student is increased by 10, what will be the new average if the total number of students remains the same?**

- A) 50
- B) 50.5
- C) 51
- D) 51.5
**Answer:**B) 50.5

**The average of 5 numbers is 15. If the smallest number is 10, what is the average of the remaining four numbers?**

- A) 15
- B) 16
- C) 17
- D) 18
**Answer:**D) 17

**The average of 12 numbers is 60. If one number is 80, what is the average of the remaining 11 numbers?**

- A) 55
- B) 56
- C) 57
- D) 58
**Answer:**A) 55

**The average of a set of 5 numbers is 10. If the sum of four numbers is 35, what is the fifth number?**

- A) 5
- B) 10
- C) 15
- D) 20
**Answer:**C) 15

**The average age of a group of 8 people is 30 years. If one person leaves the group and the average age becomes 31 years, what is the age of the person who left?**

- A) 28
- B) 30
- C) 32
- D) 34
**Answer:**D) 34

**If the average of three numbers is 24, what is the sum of these three numbers?**

- A) 72
- B) 70
- C) 68
- D) 66
**Answer:**A) 72

**The average of 10 numbers is 45. If one number is decreased by 5, what will be the new average?**

- A) 44.5
- B) 45
- C) 45.5
- D) 46
**Answer:**A) 44.5

**The average score of a student in 5 exams is 60. If the student scores 70 in the last exam, what is the average score of the first 4 exams?**

- A) 55
- B) 58
- C) 60
- D) 62
**Answer:**B) 58

**The average of 6 numbers is 40. If one number is 20, what is the average of the remaining 5 numbers?**

- A) 36
- B) 38
- C) 40
- D) 42
**Answer:**A) 36

**The average of 7 numbers is 50. If one number is 70, what is the average of the remaining 6 numbers?**

- A) 46.67
- B) 47.14
- C) 48.57
- D) 49.29
**Answer:**C) 48.57

**If the average of 5 numbers is 18, what will be the average if one number is decreased by 3?**

- A) 17.6
- B) 17.8
- C) 18
- D) 18.2
**Answer:**A) 17.6

**The average of 10 numbers is 20. If one number is 10, what is the average of the remaining 9 numbers?**

- A) 18
- B) 19
- C) 20
- D) 21
**Answer:**B) 19

**The average of 5 numbers is 22. If the largest number is 30, what is the average of the remaining four numbers?**

- A) 20
- B) 21
- C) 22
- D) 23
**Answer:**B) 21

**The average of 7 numbers is 60. If one number is 80, what is the average of the remaining 6 numbers?**

- A) 56
- B) 58
- C) 60
- D) 62
**Answer:**B) 58

**If the average of 8 numbers is 40, what is the sum of these numbers?**

- A) 320
- B) 340
- C) 360
- D) 380
**Answer:**A) 320

**The average score of a student in 4 tests is 75. If the scores of 3 tests are 70, 80, and 90, what is the score of the fourth test?**

- A) 60
- B) 65
- C) 70
- D) 75
**Answer:**B) 65

**The average of 5 numbers is 50. If one number is 60, what is the average of the remaining 4 numbers?**

- A) 48
- B) 49
- C) 50
- D) 51
**Answer:**A) 48

**The average of 9 numbers is 55. If one number is 30, what is the average of the remaining 8 numbers?**

- A) 54
- B) 55
- C) 56
- D) 57
**Answer:**C) 56

**The average of 12 numbers is 25. If one number is 30, what is the average of the remaining 11 numbers?**

- A) 24
- B) 24.5
- C) 25
- D) 25.5
**Answer:**B) 24.5

**The average of 8 numbers is 36. If one number is 45, what is the average of the remaining 7 numbers?**

- A) 33.57
- B) 34
- C) 34.71
- D) 35
**Answer:**C) 34.71

**The average of 15 numbers is 40. If one number is 60, what is the average of the remaining 14 numbers?**

- A) 38
- B) 39
- C) 40
- D) 41
**Answer:**A) 38

**If the average of 7 numbers is 50, what will be the new average if one number is increased by 10?**

- A) 50
- B) 50.5
- C) 51
- D) 51.5
**Answer:**B) 50.5

**The average of 4 numbers is 22. If two numbers are 18 and 20, what is the average of the remaining two numbers?**

- A) 24
- B) 25
- C) 26
- D) 27
**Answer:**C) 26

**The average of 11 numbers is 60. If one number is 80, what is the average of the remaining 10 numbers?**

- A) 58
- B) 59
- C) 60
- D) 61
**Answer:**A) 58

**The average score of a student in 3 exams is 72. If the student scores 90 in the fourth exam, what is the average score of the first 3 exams?**

- A) 68
- B) 69
- C) 70
- D) 72
**Answer:**C) 70

**The average of 8 numbers is 45. If one number is removed, the average becomes 50. What is the number removed?**

- A) 40
- B) 45
- C) 55
- D) 60
**Answer:**D) 40

**If the average of 6 numbers is 20, what is the sum of these numbers?**

- A) 120
- B) 100
- C) 90
- D) 80
**Answer:**A) 120

**The average of 7 numbers is 30. If one number is increased by 10, what is the new average?**

- A) 30
- B) 30.5
- C) 31
- D) 31.5
**Answer:**B) 30.5

**The average score of a student in 6 exams is 80. If the student scores 90 in the seventh exam, what is the average score of the first 6 exams?**

- A) 75
- B) 76
- C) 77
- D) 78
**Answer:**A) 75

**The average of 9 numbers is 70. If the largest number is 85, what is the average of the remaining 8 numbers?**

- A) 68
- B) 69
- C) 70
- D) 71
**Answer:**B) 69

**If the average of 12 numbers is 55, what is the total sum of these numbers?**

- A) 660
- B) 650
- C) 700
- D) 600
**Answer:**A) 660

**The average of 6 numbers is 28. If one number is 12, what is the average of the remaining 5 numbers?**

- A) 24
- B) 26
- C) 28
- D) 30
**Answer:**A) 24

**101.** The average of 7 numbers is 36. If one number is 45, what is the average of the remaining 6 numbers?

- A) 33
- B) 34
- C) 35
- D) 37
**Answer:**B) 34

**102.** If the average of 10 numbers is 40 and one number is 50, what is the average of the remaining 9 numbers?

- A) 38
- B) 39
- C) 40
- D) 41
**Answer:**A) 38

**103.** The average of 5 numbers is 20. If the sum of four numbers is 80, what is the fifth number?

- A) 10
- B) 20
- C) 30
- D) 40
**Answer:**C) 30

**104.** The average of 8 numbers is 75. If one number is 90, what is the average of the remaining 7 numbers?

- A) 72
- B) 73
- C) 74
- D) 76
**Answer:**A) 72

**105.** If the average of 5 numbers is 12, what is the sum of these numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 60

**106.** The average of 4 numbers is 30. If two of these numbers are 25 and 35, what is the average of the remaining two numbers?

- A) 30
- B) 32.5
- C) 35
- D) 37.5
**Answer:**B) 32.5

**107.** The average of 6 numbers is 50. If one number is 60, what is the average of the remaining 5 numbers?

- A) 48
- B) 49
- C) 50
- D) 52
**Answer:**A) 48

**108.** If the average of 7 numbers is 20 and one number is 40, what is the average of the remaining 6 numbers?

- A) 15
- B) 16
- C) 17
- D) 18
**Answer:**A) 15

**109.** The average of 9 numbers is 45. If the sum of eight numbers is 360, what is the ninth number?

- A) 40
- B) 45
- C) 50
- D) 55
**Answer:**C) 50

**110.** The average of 5 numbers is 80. If the average of 3 of these numbers is 75, what is the average of the remaining 2 numbers?

- A) 80
- B) 85
- C) 90
- D) 95
**Answer:**D) 95

**111.** If the average score of a class of 12 students is 68 and one studentâ€™s score is 90, what is the average score of the remaining 11 students?

- A) 66
- B) 67
- C) 68
- D) 69
**Answer:**A) 66

**112.** The average of 5 numbers is 55. If two numbers are 50 and 60, what is the average of the remaining three numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**C) 60

**113.** The average of 6 numbers is 70. If one number is 90, what is the average of the remaining 5 numbers?

- A) 65
- B) 66
- C) 68
- D) 70
**Answer:**A) 65

**114.** The average of 10 numbers is 25. If one number is removed and the average becomes 20, what is the removed number?

- A) 30
- B) 35
- C) 40
- D) 45
**Answer:**A) 30

**115.** If the average of 8 numbers is 50 and the average of 4 of these numbers is 60, what is the average of the remaining 4 numbers?

- A) 40
- B) 45
- C) 50
- D) 55
**Answer:**A) 40

**116.** The average of 7 numbers is 25. If two of the numbers are 30 and 35, what is the average of the remaining 5 numbers?

- A) 20
- B) 22
- C) 24
- D) 26
**Answer:**B) 22

**117.** The average of 5 numbers is 40. If one number is increased by 10, what is the new average?

- A) 40
- B) 41
- C) 42
- D) 43
**Answer:**B) 41

**118.** The average of 6 numbers is 55. If the smallest number is 40, what is the average of the remaining 5 numbers?

- A) 50
- B) 52
- C) 53
- D) 55
**Answer:**A) 50

**119.** The average of 4 numbers is 25. If one number is 15, what is the average of the remaining 3 numbers?

- A) 22
- B) 23
- C) 24
- D) 25
**Answer:**A) 22

**120.** The average of 5 numbers is 90. If the average of 3 of these numbers is 80, what is the average of the remaining 2 numbers?

- A) 90
- B) 95
- C) 100
- D) 105
**Answer:**C) 100

**121.** If the average of 12 numbers is 70 and one number is 90, what is the average of the remaining 11 numbers?

- A) 68
- B) 69
- C) 70
- D) 71
**Answer:**A) 68

**122.** The average of 8 numbers is 35. If one number is 40, what is the average of the remaining 7 numbers?

- A) 33
- B) 34
- C) 35
- D) 36
**Answer:**A) 33

**123.** The average of 5 numbers is 24. If the sum of these numbers is 120, what is the largest number if one number is 30?

- A) 24
- B) 26
- C) 28
- D) 30
**Answer:**C) 28

**124.** The average of 6 numbers is 60. If one number is 90, what is the average of the remaining 5 numbers?

- A) 55
- B) 56
- C) 57
- D) 58
**Answer:**A) 55

**125.** The average of 7 numbers is 45. If the average of 4 of these numbers is 50, what is the average of the remaining 3 numbers?

- A) 40
- B) 42
- C) 43
- D) 45
**Answer:**A) 40

**126.** The average of 5 numbers is 90. If the sum of four of these numbers is 300, what is the fifth number?

- A) 60
- B) 75
- C) 80
- D) 90
**Answer:**D) 90

**127.** The average of 8 numbers is 25. If the average of 3 of these numbers is 20, what is the average of the remaining 5 numbers?

- A) 28
- B) 30
- C) 32
- D) 35
**Answer:**B) 30

**128.** The average of 9 numbers is 100. If the average of the first 5 numbers is 90, what is the average of the remaining 4 numbers?

- A) 110
- B) 115
- C) 120
- D) 125
**Answer:**C) 120

**129.** The average of 5 numbers is 90. If one number is decreased by 10, what is the new average?

- A) 88
- B) 89
- C) 90
- D) 91
**Answer:**B) 89

**130.** The average of 5 numbers is 90. If the average of 3 of these numbers is 80, what is the average of the remaining 2 numbers?

- A) 90
- B) 95
- C) 100
- D) 105
**Answer:**C) 100

**131.** If the average of 12 numbers is 70 and one number is 90, what is the average of the remaining 11 numbers?

- A) 68
- B) 69
- C) 70
- D) 71
**Answer:**A) 68

**132.** The average of 8 numbers is 35. If one number is 40, what is the average of the remaining 7 numbers?

- A) 33
- B) 34
- C) 35
- D) 36
**Answer:**A) 33

**133.** The average of 5 numbers is 24. If the sum of these numbers is 120, what is the largest number if one number is 30?

- A) 24
- B) 26
- C) 28
- D) 30
**Answer:**C) 28

**134.** The average of 6 numbers is 60. If one number is 90, what is the average of the remaining 5 numbers?

- A) 55
- B) 56
- C) 57
- D) 58
**Answer:**A) 55

**135.** The average of 7 numbers is 50. If one number is removed, and the average becomes 48, what is the removed number?

- A) 52
- B) 54
- C) 56
- D) 58
**Answer:**C) 56

**136.** The average of 9 numbers is 80. If the sum of eight numbers is 720, what is the ninth number?

- A) 80
- B) 85
- C) 90
- D) 100
**Answer:**D) 100

**137.** The average of 10 numbers is 45. If the average of 5 of these numbers is 50, what is the average of the remaining 5 numbers?

- A) 40
- B) 42
- C) 44
- D) 45
**Answer:**A) 40

**138.** The average of 8 numbers is 50. If one number is 40, what is the average of the remaining 7 numbers?

- A) 48
- B) 49
- C) 50
- D) 51
**Answer:**A) 48

**139.** The average of 5 numbers is 120. If one number is 150, what is the average of the remaining 4 numbers?

- A) 110
- B) 115
- C) 120
- D) 125
**Answer:**A) 110

**140.** If the average of 7 numbers is 65 and one number is 80, what is the average of the remaining 6 numbers?

- A) 60
- B) 62
- C) 63
- D) 64
**Answer:**A) 60

**141.** The average of 5 numbers is 40. If one number is increased by 20, what is the new average?

- A) 42
- B) 44
- C) 46
- D) 48
**Answer:**B) 44

**142.** The average of 4 numbers is 80. If two of these numbers are 70 and 90, what is the average of the remaining two numbers?

- A) 80
- B) 85
- C) 90
- D) 95
**Answer:**B) 85

**143.** The average of 6 numbers is 40. If one number is 60, what is the average of the remaining 5 numbers?

- A) 35
- B) 36
- C) 37
- D) 38
**Answer:**A) 35

**144.** The average of 5 numbers is 75. If the sum of four of these numbers is 300, what is the fifth number?

- A) 60
- B) 75
- C) 80
- D) 90
**Answer:**D) 90

**145.** The average of 8 numbers is 25. If the average of 3 of these numbers is 20, what is the average of the remaining 5 numbers?

- A) 28
- B) 30
- C) 32
- D) 35
**Answer:**B) 30

**146.** The average of 7 numbers is 45. If the average of 4 of these numbers is 50, what is the average of the remaining 3 numbers?

- A) 40
- B) 42
- C) 43
- D) 45
**Answer:**A) 40

**147.** The average of 5 numbers is 60. If the average of the first 3 numbers is 55, what is the average of the last 2 numbers?

- A) 65
- B) 70
- C) 75
- D) 80
**Answer:**B) 70

**148.** The average of 6 numbers is 30. If the average of 2 of these numbers is 25, what is the average of the remaining 4 numbers?

- A) 32.5
- B) 35
- C) 37.5
- D) 40
**Answer:**C) 37.5

**149.** The average of 9 numbers is 100. If the average of the first 5 numbers is 90, what is the average of the remaining 4 numbers?

- A) 110
- B) 115
- C) 120
- D) 125
**Answer:**C) 120

**150.** The average of 5 numbers is 90. If one number is decreased by 10, what is the new average?

- A) 88
- B) 89
- C) 90
- D) 91
**Answer:**B) 89

**151.** The average of 8 numbers is 45. If one number is removed and the average becomes 40, what is the removed number?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**C) 60

**152.** The average of 12 numbers is 75. If one number is 60, what is the average of the remaining 11 numbers?

- A) 74
- B) 75
- C) 76
- D) 77
**Answer:**A) 74

**153.** If the average of 10 numbers is 85 and the sum of 9 numbers is 765, what is the 10th number?

- A) 85
- B) 90
- C) 95
- D) 100
**Answer:**B) 95

**154.** The average of 7 numbers is 55. If two of the numbers are 40 and 60, what is the average of the remaining 5 numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 50

**155.** The average of 5 numbers is 40. If the average of the first 3 numbers is 45, what is the average of the last 2 numbers?

- A) 35
- B) 40
- C) 45
- D) 50
**Answer:**A) 35

**156.** The average of 9 numbers is 80. If the average of 5 of these numbers is 70, what is the average of the remaining 4 numbers?

- A) 85
- B) 90
- C) 95
- D) 100
**Answer:**B) 90

**157.** The average of 6 numbers is 70. If the sum of the first 3 numbers is 210, what is the average of the remaining 3 numbers?

- A) 60
- B) 65
- C) 70
- D) 75
**Answer:**A) 60

**158.** The average of 8 numbers is 55. If one number is 90, what is the average of the remaining 7 numbers?

- A) 50
- B) 52
- C) 53
- D) 54
**Answer:**A) 50

**159.** The average of 7 numbers is 90. If one number is 120, what is the average of the remaining 6 numbers?

- A) 85
- B) 87
- C) 88
- D) 90
**Answer:**A) 85

**160.** The average of 4 numbers is 60. If one number is 80, what is the average of the remaining 3 numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 50

**161.** If the average of 5 numbers is 100, what is the total sum of these numbers?

- A) 400
- B) 450
- C) 500
- D) 550
**Answer:**C) 500

**162.** The average of 8 numbers is 85. If the sum of the first 6 numbers is 510, what is the sum of the last 2 numbers?

- A) 140
- B) 150
- C) 160
- D) 170
**Answer:**A) 140

**163.** The average of 10 numbers is 50. If the average of 4 of these numbers is 60, what is the average of the remaining 6 numbers?

- A) 40
- B) 45
- C) 50
- D) 55
**Answer:**A) 40

**164.** The average of 5 numbers is 70. If the sum of four of these numbers is 300, what is the fifth number?

- A) 60
- B) 70
- C) 80
- D) 90
**Answer:**D) 90

**165.** The average of 6 numbers is 50. If the average of 4 of these numbers is 55, what is the average of the remaining 2 numbers?

- A) 40
- B) 45
- C) 50
- D) 55
**Answer:**B) 45

**166.** The average of 8 numbers is 40. If the average of 3 of these numbers is 30, what is the average of the remaining 5 numbers?

- A) 45
- B) 50
- C) 55
- D) 60
**Answer:**B) 50

**167.** The average of 7 numbers is 60. If the sum of the first 4 numbers is 250, what is the average of the remaining 3 numbers?

- A) 55
- B) 60
- C) 65
- D) 70
**Answer:**A) 55

**168.** The average of 5 numbers is 100. If one number is increased by 20, what is the new average?

- A) 100
- B) 102
- C) 104
- D) 106
**Answer:**B) 102

**169.** The average of 9 numbers is 90. If the average of the first 5 numbers is 80, what is the average of the remaining 4 numbers?

- A) 95
- B) 100
- C) 105
- D) 110
**Answer:**B) 100

**170.** The average of 6 numbers is 70. If one number is 90, what is the average of the remaining 5 numbers?

- A) 65
- B) 68
- C) 70
- D) 72
**Answer:**A) 65

**171.** The average score of 15 students is 75. If the average score of the first 10 students is 80, what is the average score of the remaining 5 students?

- A) 70
- B) 72
- C) 74
- D) 76
**Answer:**B) 72

**172.** The average of 5 numbers is 80. If the average of 4 of these numbers is 85, what is the 5th number?

- A) 70
- B) 75
- C) 80
- D) 85
**Answer:**A) 70

**173.** The average of 12 numbers is 55. If the average of 6 of these numbers is 50, what is the average of the remaining 6 numbers?

- A) 60
- B) 65
- C) 70
- D) 75
**Answer:**A) 60

**174.** The average of 8 numbers is 40. If the sum of 7 of these numbers is 280, what is the 8th number?

- A) 40
- B) 60
- C) 80
- D) 100
**Answer:**C) 80

**175.** The average of 7 numbers is 65. If one number is 50, what is the average of the remaining 6 numbers?

- A) 60
- B) 62
- C) 64
- D) 66
**Answer:**B) 62

**176.** The average of 10 numbers is 120. If the sum of 8 of these numbers is 920, what is the average of the remaining 2 numbers?

- A) 130
- B) 135
- C) 140
- D) 145
**Answer:**A) 130

**177.** The average of 5 numbers is 85. If the average of the first 3 numbers is 80, what is the average of the last 2 numbers?

- A) 90
- B) 95
- C) 100
- D) 105
**Answer:**B) 95

**178.** The average of 4 numbers is 50. If the average of 3 of these numbers is 45, what is the 4th number?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**B) 65

**179.** The average of 5 numbers is 60. If the sum of the first 2 numbers is 120, what is the average of the remaining 3 numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 50

**180.** The average of 9 numbers is 85. If the average of the first 5 numbers is 80, what is the average of the remaining 4 numbers?

- A) 90
- B) 95
- C) 100
- D) 105
**Answer:**A) 90

**181.** The average of 8 numbers is 65. If the sum of 7 of these numbers is 455, what is the 8th number?

- A) 60
- B) 65
- C) 70
- D) 75
**Answer:**C) 70

**182.** The average of 6 numbers is 85. If one number is increased by 15, what is the new average?

- A) 85
- B) 86
- C) 87
- D) 88
**Answer:**C) 87

**183.** The average of 5 numbers is 92. If the sum of the first 3 numbers is 270, what is the average of the last 2 numbers?

- A) 85
- B) 90
- C) 95
- D) 100
**Answer:**B) 90

**184.** The average of 10 numbers is 110. If the sum of 7 of these numbers is 770, what is the average of the remaining 3 numbers?

- A) 115
- B) 120
- C) 125
- D) 130
**Answer:**A) 115

**185.** The average of 5 numbers is 45. If one number is 30, what is the average of the remaining 4 numbers?

- A) 40
- B) 42
- C) 45
- D) 48
**Answer:**B) 42

**186.** The average of 8 numbers is 75. If the average of 3 of these numbers is 70, what is the average of the remaining 5 numbers?

- A) 80
- B) 85
- C) 90
- D) 95
**Answer:**B) 85

**187.** The average of 9 numbers is 72. If one number is 90, what is the average of the remaining 8 numbers?

- A) 68
- B) 70
- C) 72
- D) 74
**Answer:**A) 68

**188.** The average of 7 numbers is 90. If the average of 4 of these numbers is 85, what is the average of the remaining 3 numbers?

- A) 95
- B) 100
- C) 105
- D) 110
**Answer:**A) 95

**189.** The average of 6 numbers is 85. If the sum of the first 4 numbers is 340, what is the sum of the last 2 numbers?

- A) 150
- B) 160
- C) 170
- D) 180
**Answer:**B) 160

**190.** The average of 4 numbers is 50. If two numbers are 45 and 55, what is the average of the remaining 2 numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**A) 50

**191.** The average of 5 numbers is 100. If the sum of the first 2 numbers is 210, what is the average of the remaining 3 numbers?

- A) 90
- B) 95
- C) 100
- D) 105
**Answer:**A) 90

**192.** The average of 9 numbers is 85. If the sum of 6 of these numbers is 510, what is the sum of the remaining 3 numbers?

- A) 150
- B) 165
- C) 180
- D) 195
**Answer:**B) 165

**193.** The average of 8 numbers is 50. If the average of 6 of these numbers is 45, what is the average of the remaining 2 numbers?

- A) 60
- B) 65
- C) 70
- D) 75
**Answer:**A) 60

**194.** The average of 5 numbers is 80. If the sum of the first 3 numbers is 240, what is the average of the last 2 numbers?

- A) 70
- B) 80
- C) 90
- D) 100
**Answer:**A) 70

**195.** The average of 6 numbers is 60. If the sum of the first 4 numbers is 240, what is the average of the last 2 numbers?

- A) 50
- B) 55
- C) 60
- D) 65
**Answer:**B) 55

**196.** The average of 10 numbers is 72. If the sum of the first 5 numbers is 360, what is the sum of the remaining 5 numbers?

- A) 340
- B) 350
- C) 360
- D) 380
**Answer:**D) 380

**197.** The average of 4 numbers is 90. If the sum of 3 of these numbers is 270, what is the 4th number?

- A) 90
- B) 100
- C) 110
- D) 120
**Answer:**B) 100

**198.** The average of 8 numbers is 80. If the sum of the first 4 numbers is 320, what is the average of the last 4 numbers?

- A) 75
- B) 80
- C) 85
- D) 90
**Answer:**B) 80

**199.** The average of 7 numbers is 65. If one number is 85, what is the average of the remaining 6 numbers?

- A) 60
- B) 62
- C) 64
- D) 66
**Answer:**C) 64

**200.** The average of 5 numbers is 90. If the sum of 4 of these numbers is 360, what is the 5th number?

- A) 70
- B) 80
- C) 90
- D) 100
**Answer:**D) 100