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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 101 · 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.Sneha is 9 years older than Rohan. In 4 years, the sum of their ages will be 57. How old is Rohan now?
  2. 2.Meera’s father is three times as old as Meera. The sum of their ages is 28 years. How old is the father?
  3. 3.Dev’s father is twice as old as Dev. The sum of their ages is 45 years. How old is Dev?
  4. 4.In 27 years, Ananya will be three times as old as Ananya was 5 years ago. How old is Ananya now?
  5. 5.9 years ago, Karan’s mother was twice as old as Karan. The mother is 21 years old now. How old is Karan now?
  6. 6.Aditya’s father is three times as old as Aditya. The sum of their ages is 48 years. How old is Aditya?
  7. 7.Saanvi is 9 years older than Tara. In 2 years, the sum of their ages will be 43. How old is Tara now?
  8. 8.Dev is 7 years older than Aditya. In 7 years, the sum of their ages will be 35. How old is Aditya now?
  9. 9.In 25 years, Aditya will be twice as old as Aditya was 3 years ago. How old is Aditya now?
  10. 10.Sneha’s father is three times as old as Sneha. The sum of their ages is 28 years. How old is Sneha?
  11. 11.Ishaan is 10 years older than Ananya. In 3 years, the sum of their ages will be 68. How old is Ananya now?
  12. 12.Arjun is 7 years older than Meera. In 10 years, the sum of their ages will be 57. How old is Meera now?
  13. 13.In 20 years, Pooja will be twice as old as Pooja was 3 years ago. How old is Pooja now?
  14. 14.Ishaan’s father is four times as old as Ishaan. The sum of their ages is 70 years. How old is the father?
  15. 15.9 years ago, Ananya’s mother was three times as old as Ananya. The mother is 18 years old now. How old is Ananya now?
  16. 16.In 11 years, Vivaan will be twice as old as Vivaan was 3 years ago. How old is Vivaan now?
  17. 17.Zoya is 9 years older than Priya. In 3 years, the sum of their ages will be 53. How old is Priya now?
  18. 18.7 years ago, Arjun’s mother was three times as old as Arjun. The mother is 43 years old now. How old is Arjun now?
  19. 19.In 9 years, Isha will be twice as old as Isha was 3 years ago. How old is Isha now?
  20. 20.Kabir’s father is twice as old as Kabir. The sum of their ages is 45 years. How old is the father?
  21. 21.In 17 years, Isha will be three times as old as Isha was 5 years ago. How old is Isha now?
  22. 22.Kabir’s father is four times as old as Kabir. The sum of their ages is 25 years. How old is the father?
  23. 23.8 years ago, Nisha’s mother was four times as old as Nisha. The mother is 28 years old now. How old is Nisha now?
  24. 24.In 21 years, Dev will be twice as old as Dev was 5 years ago. How old is Dev now?
  25. 25.In 28 years, Pooja will be twice as old as Pooja was 3 years ago. How old is Pooja now?
  26. 26.5 years ago, Sneha’s mother was four times as old as Sneha. The mother is 41 years old now. How old is Sneha now?
  27. 27.Meera’s father is twice as old as Meera. The sum of their ages is 21 years. How old is Meera?
  28. 28.Aarav’s father is four times as old as Aarav. The sum of their ages is 40 years. How old is Aarav?
  29. 29.In 27 years, Meera will be twice as old as Meera was 4 years ago. How old is Meera now?
  30. 30.Dev is 4 years older than Manav. In 8 years, the sum of their ages will be 76. How old is Manav now?
  31. 31.Kavya’s father is three times as old as Kavya. The sum of their ages is 20 years. How old is Kavya?
  32. 32.Saanvi’s father is three times as old as Saanvi. The sum of their ages is 40 years. How old is the father?
  33. 33.Pooja’s father is three times as old as Pooja. The sum of their ages is 52 years. How old is Pooja?
  34. 34.In 25 years, Meera will be twice as old as Meera was 5 years ago. How old is Meera now?
  35. 35.Rohan is 8 years older than Saanvi. In 2 years, the sum of their ages will be 66. How old is Saanvi now?
  36. 36.Aarav’s father is twice as old as Aarav. The sum of their ages is 21 years. How old is Aarav?
  37. 37.Saanvi is 9 years older than Zoya. In 7 years, the sum of their ages will be 43. How old is Zoya now?
  38. 38.9 years ago, Karan’s mother was four times as old as Karan. The mother is 49 years old now. How old is Karan now?
  39. 39.9 years ago, Priya’s mother was twice as old as Priya. The mother is 17 years old now. How old is Priya now?
  40. 40.Rohan is 4 years older than Nisha. In 9 years, the sum of their ages will be 56. How old is Nisha now?

Answer key

  1. 20
  2. 21
  3. 15
  4. 21
  5. 15
  6. 12
  7. 15
  8. 7
  9. 31
  10. 7
  11. 26
  12. 15
  13. 26
  14. 56
  15. 12
  16. 17
  17. 19
  18. 19
  19. 15
  20. 30
  21. 16
  22. 20
  23. 13
  24. 31
  25. 34
  26. 14
  27. 7
  28. 8
  29. 35
  30. 28
  31. 5
  32. 30
  33. 13
  34. 35
  35. 27
  36. 7
  37. 10
  38. 19
  39. 13
  40. 17

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