CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present age difference between A and B is 19 years, and their total present age is 77 years. What will A's age be 8 years later if A is the older person?
A. 37
B. 48
C. 56
D. 58
Correct Answer: C
A's present age = (77+19)/2 = 48; after 8 years it is 56.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present age difference between A and B is 17 years, and their total present age is 69 years. What will A's age be 7 years later if A is the older person?
A. 43
B. 50
C. 33
D. 52
Correct Answer: B
A's present age = (69+17)/2 = 43; after 7 years it is 50.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present age difference between A and B is 15 years, and their total present age is 61 years. What will A's age be 6 years later if A is the older person?
A. 29
B. 44
C. 38
D. 46
Correct Answer: B
A's present age = (61+15)/2 = 38; after 6 years it is 44.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present age difference between A and B is 13 years, and their total present age is 53 years. What will A's age be 5 years later if A is the older person?
A. 33
B. 38
C. 25
D. 40
Correct Answer: B
A's present age = (53+13)/2 = 33; after 5 years it is 38.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present age difference between A and B is 11 years, and their total present age is 45 years. What will A's age be 4 years later if A is the older person?
A. 32
B. 34
C. 21
D. 28
Correct Answer: A
A's present age = (45+11)/2 = 28; after 4 years it is 32.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present ages of two persons are in the ratio 2:1. Their total age is 15 years. What is the age of the older person?
A. 5
B. 11
C. 10
D. 15
Correct Answer: C
One ratio part = 15 ÷ 3 = 5; older age = 2 × 5 = 10.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present ages of A and B add up to 77 years, and A is 19 years older than B. What is B's present age?
A. 29
B. 31
C. 48
D. 27
Correct Answer: A
If B=x, then A=x+19. Thus 2x+19=77, so x=29.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A person is 42 years old now. What was the age 3 years earlier?
A. 45
B. 40
C. 39
D. 37
Correct Answer: C
Past age = 42 − 3 = 39 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A person is 45 years old at present. What will the age be after 3 years?
A. 48
B. 49
C. 42
D. 47
Correct Answer: A
Future age = 45 + 3 = 48 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A father is 44 years old and his son is 21. What will be the difference between their ages after 2 years?
A. 21
B. 25
C. 65
D. 23
Correct Answer: D
Age difference remains constant: 44 − 21 = 23 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present ages of two persons are in the ratio 5:2. Their total age is 56 years. What is the age of the older person?
A. 16
B. 8
C. 40
D. 48
Correct Answer: C
One ratio part = 56 ÷ 7 = 8; older age = 5 × 8 = 40.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present ages of A and B add up to 71 years, and A is 11 years older than B. What is B's present age?
A. 32
B. 28
C. 41
D. 30
Correct Answer: D
If B=x, then A=x+11. Thus 2x+11=71, so x=30.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A person is 31 years old now. What was the age 7 years earlier?
A. 25
B. 22
C. 24
D. 38
Correct Answer: C
Past age = 31 − 7 = 24 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A person is 22 years old at present. What will the age be after 9 years?
A. 13
B. 30
C. 31
D. 32
Correct Answer: C
Future age = 22 + 9 = 31 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A father is 36 years old and his son is 14. What will be the difference between their ages after 5 years?
A. 50
B. 27
C. 17
D. 22
Correct Answer: D
Age difference remains constant: 36 − 14 = 22 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present ages of two persons are in the ratio 4:1. Their total age is 50 years. What is the age of the older person?
A. 50
B. 41
C. 40
D. 10
Correct Answer: C
One ratio part = 50 ÷ 5 = 10; older age = 4 × 10 = 40.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
The present ages of A and B add up to 70 years, and A is 14 years older than B. What is B's present age?
A. 42
B. 30
C. 26
D. 28
Correct Answer: D
If B=x, then A=x+14. Thus 2x+14=70, so x=28.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A person is 44 years old now. What was the age 4 years earlier?
A. 48
B. 38
C. 41
D. 40
Correct Answer: D
Past age = 44 − 4 = 40 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A person is 42 years old at present. What will the age be after 4 years?
A. 38
B. 46
C. 45
D. 47
Correct Answer: B
Future age = 42 + 4 = 46 years.
CSS - PMS - CCE - PCS - Mathematics
Age Problems
A father is 42 years old and his son is 16. What will be the difference between their ages after 8 years?
A. 18
B. 34
C. 58
D. 26
Correct Answer: D
Age difference remains constant: 42 − 16 = 26 years.