Age (Railway Maths) (Part – I)

Total Questions: 50

11. A father is four times as old as his son. After 10 years the father's age will be 2.5 times that of his son. Find the son's present age. [Group D 19/09/2022 (Afternoon)]

Correct Answer: (c) 10 years
Solution:

12. The sum of the ages of three persons is 44 years and the numerical product of their ages is 1950. Also, the difference in the ages of the second and the third person, when subtracted from the difference in the ages of the first and the second person, is 5 years. Find the present age of the second person. [Group D 26/09/2022 (Morning)]

Correct Answer: (c) 13 years
Solution:

13. The ages of Mahender and Zahid are in the ratio 6 : 7. Fifteen years ago their ages were in the ratio 9 : 11. Mahender's present age is: [NTPC CBT-1 10/01/2021 (Morning)]

Correct Answer: (c) 60 years
Solution:

14. Aman's great-grandfather is 105 years old. Aman's father Ram Singh's age is 1/3 of his grandfather. Five years ago, when Aman was born, Ram Singh's mother was double the age of Ram Singh. What is the difference of age between Aman and Ram Singh? [NTPC CBT-1 13/01/2021 (Morning)]

Correct Answer: (d) 30 years
Solution:

15. The sum of the reciprocals of the ages of two colleagues is nine times the difference of the reciprocals of their ages. If the ratio of the products of their ages to the sum of their ages is 100 : 9. Find their ages? [NTPC CBT-1 30/01/2021 (Evening)]

Correct Answer: (a) 20 years, 25 years
Solution:

16. In a family, the father's age is 5 times the age of one of his sons. Mother's age is 4 times the age of their other son. Difference in the parents' ages is half the sum of the sons' ages. Then: [RRB JE 02/06/2019 (Evening) ]

Correct Answer: (a) They are twins
Solution:

17. The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charles's age was the same as 5 times the age of Shriya. What is the total of their present ages ? [RRB ALP Tier - I 10/08/2018 (Evening) ]

Correct Answer: (a) 114 years
Solution:

18. A is twice as old as B. B is 1/3 as old as C. The sum of ages of A, B and C is 42 years. Find the sum of the ages of A and B. [Group D 17/08/2022 (Afternoon)]

Correct Answer: (c) 21 years
Solution:

19. The age of a father six years ago was six times the then age of his daughter. Three years hence, the father will be thrice as old as his daughter. What is the present age of the daughter? [Group D 17/08/2022 (Evening)]

Correct Answer: (b) 12 years
Solution:

20. Aruna has a younger sister whose age is 8 years less than that of Aruna. If Aruna's sister's age is 18 years, then Aruna's age is: [Group D 17/08/2022 (Evening)]

Correct Answer: (b) 26 years
Solution: