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IBPS RRB PO Problems on Ages Questions with Answers & Explanations

19 Problems on Ages questions from the Quantitative Aptitude section of IBPS RRB PO, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

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Question 1

The present ages of A and B are in the ratio 3 : 5. After 6 years, the ratio of their ages will be 11 : 17. What is the present age of B?

  1. A51 years
  2. B27 years
  3. C50 years
  4. D40 years
  5. E45 years
Show answer
Answer: (E) 45 years Let ages be 3x and 5x. (3x + 6)/(5x + 6) gives x = 9, so B = 45 years.
Question 2

The present ages of A and B are in the ratio 4 : 5. After 10 years, the ratio of their ages will be 38 : 45. What is the present age of B?

  1. A28 years
  2. B45 years
  3. C35 years
  4. D40 years
  5. E30 years
Show answer
Answer: (C) 35 years Let ages be 4x and 5x. (4x + 10)/(5x + 10) gives x = 7, so B = 35 years.
Question 3

The present ages of A and B are in the ratio 2 : 3. After 6 years, the ratio of their ages will be 3 : 4. What is the present age of B?

  1. A18 years
  2. B15 years
  3. C21 years
  4. D24 years
  5. E12 years
Show answer
Answer: (A) 18 years Let ages be 2x and 3x. (2x + 6)/(3x + 6) gives x = 6, so B = 18 years.
Question 4

The present ages of A and B are in the ratio 5 : 7. After 10 years, the ratio of their ages will be 15 : 19. What is the present age of B?

  1. A20 years
  2. B28 years
  3. C35 years
  4. D21 years
  5. E38 years
Show answer
Answer: (B) 28 years Let ages be 5x and 7x. (5x + 10)/(7x + 10) gives x = 4, so B = 28 years.
Question 5

The present ages of A and B are in the ratio 5 : 7. After 4 years, the ratio of their ages will be 39 : 53. What is the present age of B?

  1. A56 years
  2. B53 years
  3. C35 years
  4. D49 years
  5. E42 years
Show answer
Answer: (D) 49 years Let ages be 5x and 7x. (5x + 4)/(7x + 4) gives x = 7, so B = 49 years.
Question 6

The present ages of A and B are in the ratio 4 : 5. After 10 years, the ratio of their ages will be 6 : 7. What is the present age of B?

  1. A25 years
  2. B30 years
  3. C35 years
  4. D20 years
  5. ENone of these
Show answer
Answer: (A) 25 years Let ages be 4x and 5x. (4x + 10)/(5x + 10) gives x = 5, so B = 25 years.
Question 7

The present ages of A and B are in the ratio 2 : 3. After 6 years, the ratio of their ages will be 11 : 15. What is the present age of B?

  1. A21 years
  2. B24 years
  3. C16 years
  4. D27 years
  5. E30 years
Show answer
Answer: (B) 24 years Let ages be 2x and 3x. (2x + 6)/(3x + 6) gives x = 8, so B = 24 years.
Question 8

The present ages of A and B are in the ratio 3 : 4. After 4 years, the ratio of their ages will be 25 : 32. What is the present age of B?

  1. A32 years
  2. B28 years
  3. C24 years
  4. D21 years
  5. ENone of these
Show answer
Answer: (B) 28 years Let ages be 3x and 4x. (3x + 4)/(4x + 4) gives x = 7, so B = 28 years.
Question 9

The present ages of A and B are in the ratio 3 : 4. After 5 years, the ratio of their ages will be 17 : 21. What is the present age of B?

  1. A20 years
  2. B21 years
  3. C12 years
  4. D16 years
  5. ENone of these
Show answer
Answer: (D) 16 years Let ages be 3x and 4x. (3x + 5)/(4x + 5) gives x = 4, so B = 16 years.
Question 10

The present ages of A and B are in the ratio 5 : 6. After 6 years, the ratio of their ages will be 17 : 20. What is the present age of B?

  1. A60 years
  2. B54 years
  3. C48 years
  4. D45 years
  5. ENone of these
Show answer
Answer: (B) 54 years Let ages be 5x and 6x. (5x + 6)/(6x + 6) gives x = 9, so B = 54 years.

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Question 11

The present ages of A and B are in the ratio 4 : 5. After 4 years, the ratio of their ages will be 40 : 49. What is the present age of B?

  1. A45 years
  2. B50 years
  3. C49 years
  4. D36 years
  5. E40 years
Show answer
Answer: (A) 45 years Let ages be 4x and 5x. (4x + 4)/(5x + 4) gives x = 9, so B = 45 years.
Question 12

The present ages of A and B are in the ratio 5 : 7. After 5 years, the ratio of their ages will be 25 : 34. What is the present age of B?

  1. A56 years
  2. B63 years
  3. C68 years
  4. D45 years
  5. E70 years
Show answer
Answer: (B) 63 years Let ages be 5x and 7x. (5x + 5)/(7x + 5) gives x = 9, so B = 63 years.
Question 13

The present ages of A and B are in the ratio 5 : 7. After 10 years, the ratio of their ages will be 55 : 73. What is the present age of B?

  1. A45 years
  2. B56 years
  3. C70 years
  4. D63 years
  5. E73 years
Show answer
Answer: (D) 63 years Let ages be 5x and 7x. (5x + 10)/(7x + 10) gives x = 9, so B = 63 years.
Question 14

The present ages of A and B are in the ratio 5 : 6. After 5 years, the ratio of their ages will be 35 : 41. What is the present age of B?

  1. A36 years
  2. B42 years
  3. C41 years
  4. D30 years
  5. ENone of these
Show answer
Answer: (A) 36 years Let ages be 5x and 6x. (5x + 5)/(6x + 5) gives x = 6, so B = 36 years.
Question 15

The present ages of A and B are in the ratio 5 : 6. After 5 years, the ratio of their ages will be 6 : 7. What is the present age of B?

  1. A35 years
  2. B24 years
  3. C30 years
  4. D36 years
  5. E25 years
Show answer
Answer: (C) 30 years Let ages be 5x and 6x. (5x + 5)/(6x + 5) gives x = 5, so B = 30 years.
Question 16

The present ages of A and B are in the ratio 2 : 3. After 6 years, the ratio of their ages will be 8 : 11. What is the present age of B?

  1. A27 years
  2. B24 years
  3. C30 years
  4. D33 years
  5. E18 years
Show answer
Answer: (A) 27 years Let ages be 2x and 3x. (2x + 6)/(3x + 6) gives x = 9, so B = 27 years.
Question 17

The present ages of A and B are in the ratio 3 : 4. After 10 years, the ratio of their ages will be 14 : 17. What is the present age of B?

  1. A24 years
  2. B28 years
  3. C20 years
  4. D18 years
  5. E34 years
Show answer
Answer: (A) 24 years Let ages be 3x and 4x. (3x + 10)/(4x + 10) gives x = 6, so B = 24 years.
Question 18

The present ages of A and B are in the ratio 2 : 3. After 8 years, the ratio of their ages will be 26 : 35. What is the present age of B?

  1. A30 years
  2. B18 years
  3. C27 years
  4. D24 years
  5. E35 years
Show answer
Answer: (C) 27 years Let ages be 2x and 3x. (2x + 8)/(3x + 8) gives x = 9, so B = 27 years.
Question 19

The present ages of A and B are in the ratio 3 : 4. After 10 years, the ratio of their ages will be 14 : 17. What is the present age of B?

  1. A28 years
  2. B20 years
  3. C24 years
  4. D34 years
  5. E18 years
Show answer
Answer: (C) 24 years Let ages be 3x and 4x. (3x + 10)/(4x + 10) gives x = 6, so B = 24 years.

These are RankerClub practice questions written in the IBPS RRB PO pattern. They are not official SSC/IBPS/RRB papers.

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