Age (Railway Maths) (Part – III)

Total Questions: 50

31. A father has a 12 year old son. He was thrice his son's present age when the son was born. How old is the father now? [RRB JE 02/06/2019 (Afternoon)]

Correct Answer: (a) 48 years
Solution:

32. A grandfather and his granddaughter have their ages in the ratio 9 : 2. Sum of their ages is a perfect square. The difference in their ages is a multiple of 11. What are their ages? [RRB JE 02/06/2019 (Afternoon)]

Correct Answer: (d) 99, 22
Solution:

33. The sum and difference of the ages of two brothers are in the ratio 5 : 1. If the product of their ages is 96, then what are their ages? [RRB JE 26/06/2019 (Evening)]

Correct Answer: (a) 8, 12
Solution:

34. Sum of the ages of two sisters is 81. Their ages are in the ratio 4 : 5. By how many years is one sister younger than the other? [RRB JE 27/06/2019 (Morning)]

Correct Answer: (a) 9
Solution:

35. The sum of the ages of a father and son is 45 years. Five years ago, the product of their ages was four times the father's age at that time. What is the present age of the father? [RRB JE 27/06/2019 (Evening)]

Correct Answer: (a) 36
Solution:

36. A father is now five times as old as his son. Five years back, he was six times as old as his son. Find the age of his son. [RRB JE 27/06/2019 (Evening)]

Correct Answer: (c) 25 years
Solution:

37. A is two years older than B who is twice as old as C. If the total ages of A, B and C are 27, then how old is B? [RRB JE 28/06/2019 (Evening)]

Correct Answer: (c) 10
Solution:

38. The total age of A and B is 12 years more than the total age of B and C. Who is younger among A and C, and by how many years ? [RRB JE 28/06/2019 (Evening) ]

Correct Answer: (b) C, by 12 years
Solution:

39. Five years ago X was three times as old as Y and ten years hence, X will be twice as old as Y. What is the present age of X? [ALP Tier II 21/01/2019 (Afternoon) ]

Correct Answer: (a) 50
Solution:

40. 5 years ago, Rohan's father's age was 8 times Rohan's age. After 5 years the ratio of Rohan's father's age to Rohan's age will be 10 : 3. What is the present age of Rohan? [ALP Tier II 21/01/2019 (Afternoon) ]

Correct Answer: (a) 10 years
Solution: