Reasoning Questions on Ages

Reasoning Questions on Ages

1. The present age of Amit is 20 years and Gaurav is 24 yr. Find the ratio between the age of Amit (after 4 yr) and Gaurav (before 4 yr).

A) 6:5
B) 3:5
C) 8:2
D) 4:5

2. Suppose the age of Mala is thirteen times that of her daughter Garima. If the age of her daughter is 3 yr. What is the age of Mala.

A) 42
B) 13
C) 39
D) 34

3. If the age of the father 6 yr ago was 8 times the age of his son and at present, the father’s age is 6 times that of his son then what is the present age of son.

A) 18.5
B) 32
C) 21
D) 23.5

4. The ratio between the present ages of Amitabh and Babita is 6:4 respectively. The ratio between Amitabh’s age 4 yr ago and Babita’s age 4 yr hence 1:1. What is the ratio between Amitabh’s age 4 yr hence Babita’s age 4 yr ago?

A) 6:4
B) 5:8
C) 3:2
D) 3:1

5. If the sum of the ages of 5 children born at the gap of 3 yr each is 60 yr then what is the age of the youngest child?

A) 5
B) 6
C) 4
D) 9

6. The ages of Dalip and Gautam differ by 18 yr. Six yr ago, Gautam’s age was thrice as that of Dalip’s. What is the sum of their ages?

A) 29
B) 34
C) 48
D) 56

7. Two years ago, a mother was 5 times as old as her daughter. Six years from now, her age will become more than double her daughter’s age by 10 years. What is the present ratio of their ages?

A) 6:4
B) 4:1
C) 3:2
D) 3:1

8. The age of Deepak's father is 4 times of his son’s age. If 5 yr ago, father’s age was 7 times of the age of his son at that time, What is Deepak's father’s present age?

A) 40
B) 34
C) 48
D) 56

9. Three years earlier the father was 7 times as old as his daughter. Three years hence, the father’s age would be four times that of his daughter. what is the present age of daughter?

A) 9
B) 35
C) 8
D) 7.5

10. A person’s present age is two-fifth of the age of his father. After 6 yr, he will be one-half of the age of his father. How old is the father now?

A) 30
B) 34
C) 54
D) 56

1) a, 2) c, 3) c, 4) d, 5) b, 6) c, 7) b, 8) a, 9) d, 10) a

Hint (question 1):

present age of Amit     20
———————————————————   = ——
present age of Gaurav   24

20 + 4    24    6
—————— = ——— = ——
24 - 4    20    5

Hint (question 3):

Let present age of son is a years.
present age of father is 6a years.

Their ages six years ago:
(6a-6) = 8(a-6)
6a - 6 = 8a - 48
42 = 2a
a = 21