Welcome to the **Averages and Ages MCQs with Answers**. In this post, we have shared **Averages and Ages Online Test** for different competitive exams. Each question in Aptitude Test offers a chance to enhance your knowledge regarding **Averages and Ages** MCQs.

The average of five numbers is 20. What is their total sum?

a) 80

b) 100

c) 120

d) 140

The average age of a group of 10 people is 30 years. What is the total age of the group?

a) 250

b) 270

c) 300

d) 350

If the average of 8 numbers is 15, what is the average of the numbers if one of them is removed and the new average is 14?

a) 15

b) 16

c) 17

d) 18

The average age of a family of 4 members is 25 years. If the father’s age is 35 years, what is the average age of the remaining members?

a) 22 years

b) 20 years

c) 24 years

d) 23 years

The average of 12 numbers is 24. If two numbers, 18 and 32, are removed, what will be the new average of the remaining numbers?

a) 23.5

b) 24

c) 24.5

d) 25

A person’s age is twice the age of his son. If the average age of the person and his son is 36 years, what is the age of the person?

a) 48 years

b) 50 years

c) 52 years

d) 54 years

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

a) 20

b) 21

c) 22

d) 23

The average age of a group of 5 people is 40 years. If one person leaves the group and the average age becomes 38 years, what is the age of the person who left?

a) 44 years

b) 46 years

c) 48 years

d) 50 years

The average score of 10 students is 75. If 5 more students with an average score of 85 are added, what will be the new average score?

a) 77

b) 78

c) 79

d) 80

A man is twice as old as his son. After 10 years, the man’s age will be 3 times the age of his son. How old is the son now?

a) 10 years

b) 12 years

c) 15 years

d) 20 years

The average of 5 numbers is 12. If one of the numbers is 7, what is the average of the remaining numbers?

a) 11

b) 12

c) 13

d) 14

The average age of a class of 20 students is 15 years. If the teacher’s age is included, the average age becomes 16 years. What is the age of the teacher?

a) 30 years

b) 32 years

c) 34 years

d) 36 years

If the average of 5 numbers is 9, what is the sum of these 5 numbers?

a) 40

b) 45

c) 50

d) 55

The average weight of 8 persons is 60 kg. If the weight of one person is excluded, the average weight of the remaining persons is 58 kg. What is the weight of the excluded person?

a) 72 kg

b) 74 kg

c) 76 kg

d) 78 kg

The average age of a group of 6 people is 32 years. If a new person aged 40 years joins the group, what will be the new average age of the group?

a) 33 years

b) 34 years

c) 35 years

d) 36 years

The average of 4 numbers is 25. If 3 of the numbers are 20, 30, and 40, what is the fourth number?

a) 10

b) 20

c) 30

d) 40

The average age of a family of 4 members is 32 years. The age of the father is 48 years. What is the average age of the remaining members?

a) 28 years

b) 30 years

c) 32 years

d) 34 years

If the average of 3 numbers is 18 and the average of another 2 numbers is 20, what is the average of all 5 numbers?

a) 18.4

b) 18.5

c) 19

d) 19.5

The average of 7 numbers is 45. If one of the numbers is 55, what will be the new average if this number is replaced by 60?

a) 46

b) 47

c) 48

d) 49

The average age of 8 students is 20 years. If the teacher’s age is 30 years and is added to the group, what is the new average age?

a) 20.5 years

b) 21 years

c) 21.5 years

d) 22 years

A’s age is 4 years more than B’s age. The average age of A and B is 24 years. What is the age of A?

a) 22 years

b) 26 years

c) 28 years

d) 32 years

The average of 10 numbers is 50. If the largest number is 80 and is replaced by 40, what will be the new average?

a) 48

b) 49

c) 50

d) 51

The average age of a group of 5 people is 25 years. If one person who is 30 years old leaves the group, what will be the new average age of the remaining people?

a) 24 years

b) 25 years

c) 26 years

d) 27 years

The average of 6 numbers is 18. If one of the numbers is 30, what is the average of the remaining numbers?

a) 14

b) 15

c) 16

d) 17

The average score of 8 students in an exam is 72. If the highest score of 92 is removed, what is the average score of the remaining students?

a) 71

b) 72

c) 73

d) 74

The average of 9 numbers is 45. If one of the numbers is 90, what is the average of the remaining numbers?

a) 40

b) 41

c) 42

d) 43

If the average of 5 numbers is 20 and one number is 10, what will be the average if this number is increased by 10?

a) 21

b) 22

c) 23

d) 24

The average age of 12 people is 25 years. If 4 new people join the group and the average age becomes 26 years, what is the total age of the 4 new people?

a) 120 years

b) 130 years

c) 140 years

d) 150 years

The average of three numbers is 24. If the first number is 20, what is the average of the second and third numbers?

a) 24

b) 26

c) 28

d) 30

The average age of a group of 5 people is 28 years. If the age of one person is 32 years and is replaced by a person aged 40 years, what is the new average age?

a) 28.8

b) 29

c) 29.2

d) 29.6

The average weight of 10 persons is 70 kg. If the weight of one person is 80 kg and is replaced by a person weighing 90 kg, what is the new average weight?

a) 71 kg

b) 72 kg

c) 73 kg

d) 74 kg

A group of 6 students has an average age of 15 years. If one student leaves and the average age of the remaining students is 14 years, what is the age of the student who left?

a) 16 years

b) 17 years

c) 18 years

d) 19 years

The average of 8 numbers is 32. If the sum of the first 6 numbers is 200, what is the average of the last 2 numbers?

a) 33

b) 34

c) 35

d) 36

The average of 15 numbers is 50. If 10 new numbers with an average of 60 are added, what is the new average?

a) 52

b) 54

c) 56

d) 58

The average of a set of 10 numbers is 15. If one number is increased by 5, what will be the new average?

a) 15.5

b) 16

c) 16.5

d) 17

If the average age of a class of 20 students is 22 years, what is the total age of the students?

a) 420 years

b) 440 years

c) 460 years

d) 480 years

The average of four numbers is 25. If the first three numbers are 20, 30, and 40, what is the fourth number?

a) 10

b) 15

c) 20

d) 25

The average of a group of 7 people is 50 years. If 3 people, each aged 60 years, are added, what will be the new average age?

a) 51

b) 52

c) 53

d) 54

A person’s age is 20 years more than his sibling’s age. The average age of both of them is 40 years. What is the age of the older person?

a) 45 years

b) 50 years

c) 55 years

d) 60 years

The average of 5 numbers is 20. If the average of 2 of these numbers is 25, what is the average of the remaining 3 numbers?

a) 15

b) 16

c) 17

d) 18

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