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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 510 · 40 questions
TalentJR

The method (Same years for everyone): “k times as old”: the younger is 1 part, the older is k parts. n years ago or later: change every age by n before using the clue. Sum and difference: younger = (sum − difference) ÷ 2. For “in a years … b years ago”, let the age be x and solve.

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  1. 1.Saanvi’s father is twice as old as Saanvi. The sum of their ages is 21 years. How old is the father?
  2. 2.Isha’s father is four times as old as Isha. The sum of their ages is 35 years. How old is the father?
  3. 3.In 10 years, Dev will be three times as old as Dev was 4 years ago. How old is Dev now?
  4. 4.10 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 46 years old now. How old is Saanvi now?
  5. 5.In 15 years, Pooja will be twice as old as Pooja was 4 years ago. How old is Pooja now?
  6. 6.4 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 12 years old now. How old is Saanvi now?
  7. 7.Ananya’s father is five times as old as Ananya. The sum of their ages is 42 years. How old is Ananya?
  8. 8.Rahul’s father is five times as old as Rahul. The sum of their ages is 72 years. How old is Rahul?
  9. 9.In 23 years, Priya will be twice as old as Priya was 2 years ago. How old is Priya now?
  10. 10.6 years ago, Priya’s mother was twice as old as Priya. The mother is 12 years old now. How old is Priya now?
  11. 11.10 years ago, Pooja’s mother was three times as old as Pooja. The mother is 34 years old now. How old is Pooja now?
  12. 12.In 23 years, Saanvi will be twice as old as Saanvi was 6 years ago. How old is Saanvi now?
  13. 13.Saanvi’s father is three times as old as Saanvi. The sum of their ages is 24 years. How old is the father?
  14. 14.Arjun’s father is twice as old as Arjun. The sum of their ages is 30 years. How old is the father?
  15. 15.Pooja is 2 years older than Vivaan. In 2 years, the sum of their ages will be 32. How old is Vivaan now?
  16. 16.In 3 years, Rahul will be twice as old as Rahul was 3 years ago. How old is Rahul now?
  17. 17.In 3 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
  18. 18.3 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 18 years old now. How old is Saanvi now?
  19. 19.In 24 years, Ishaan will be three times as old as Ishaan was 6 years ago. How old is Ishaan now?
  20. 20.In 16 years, Arjun will be three times as old as Arjun was 6 years ago. How old is Arjun now?
  21. 21.In 20 years, Rahul will be three times as old as Rahul was 4 years ago. How old is Rahul now?
  22. 22.Farhan is 4 years older than Zoya. In 10 years, the sum of their ages will be 56. How old is Zoya now?
  23. 23.9 years ago, Pooja’s mother was three times as old as Pooja. The mother is 18 years old now. How old is Pooja now?
  24. 24.6 years ago, Diya’s mother was three times as old as Diya. The mother is 30 years old now. How old is Diya now?
  25. 25.3 years ago, Dev’s mother was twice as old as Dev. The mother is 11 years old now. How old is Dev now?
  26. 26.Aarav’s father is three times as old as Aarav. The sum of their ages is 48 years. How old is Aarav?
  27. 27.In 21 years, Nisha will be three times as old as Nisha was 5 years ago. How old is Nisha now?
  28. 28.9 years ago, Diya’s mother was twice as old as Diya. The mother is 17 years old now. How old is Diya now?
  29. 29.Diya is 8 years older than Isha. In 5 years, the sum of their ages will be 72. How old is Isha now?
  30. 30.4 years ago, Kabir’s mother was three times as old as Kabir. The mother is 25 years old now. How old is Kabir now?
  31. 31.In 12 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
  32. 32.7 years ago, Meera’s mother was twice as old as Meera. The mother is 25 years old now. How old is Meera now?
  33. 33.Meera’s father is twice as old as Meera. The sum of their ages is 21 years. How old is Meera?
  34. 34.Kabir is 3 years older than Priya. In 7 years, the sum of their ages will be 43. How old is Priya now?
  35. 35.In 26 years, Isha will be twice as old as Isha was 6 years ago. How old is Isha now?
  36. 36.Dev’s father is five times as old as Dev. The sum of their ages is 66 years. How old is Dev?
  37. 37.In 29 years, Priya will be twice as old as Priya was 4 years ago. How old is Priya now?
  38. 38.8 years ago, Rahul’s mother was three times as old as Rahul. The mother is 35 years old now. How old is Rahul now?
  39. 39.Saanvi’s father is three times as old as Saanvi. The sum of their ages is 36 years. How old is Saanvi?
  40. 40.In 7 years, Rohan will be twice as old as Rohan was 5 years ago. How old is Rohan now?

Answer key

  1. 14
  2. 28
  3. 11
  4. 22
  5. 23
  6. 8
  7. 7
  8. 12
  9. 27
  10. 9
  11. 18
  12. 35
  13. 18
  14. 20
  15. 13
  16. 9
  17. 9
  18. 8
  19. 21
  20. 17
  21. 16
  22. 16
  23. 12
  24. 14
  25. 7
  26. 12
  27. 18
  28. 13
  29. 27
  30. 11
  31. 18
  32. 16
  33. 7
  34. 13
  35. 38
  36. 11
  37. 37
  38. 17
  39. 9
  40. 17

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