Problems on Ages

1) A's mother is twice as old as A's brother. A is 6 years younger than his brother but 4 years older than his sister. If A's sister is 15 his mother's age is?
(A) 40
(B) 45
(C) 50
(D) 54

2) A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 38 years now, the son's age five years back was
(A) 14 years
(B) 19 years
(C) 33 years
(D) 38 years

3) A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
(A) 5
(B) 10
(C) 12
(D) 15

4) Present ages of William and Alex are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Alex's present age in years?
(A) 24
(B) 27
(C) 40
(D) Cannot be determined

5) A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:
(A) 14 years
(B) 18 years
(C) 20 years
(D) 22 years

6) Six years ago, the ratio of the ages of Kim and Sid was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sid's age at present?
(A) 16
(B) 18
(C) 20
(D) 24

7) The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be:
(A) 12 years
(B) 14 years
(C) 18 years
(D) 20 years

8) At present, the ratio between the ages of A and D is 4 : 3. After 6 years, A's age will be 26 years. What is the age of D at present ?
(A) 12 years
(B) 15 years
(C) 19 years
(D) 21 years

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