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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 538 · 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 five times as old as Saanvi. The sum of their ages is 90 years. How old is Saanvi?
  2. 2.8 years ago, Tara’s mother was three times as old as Tara. The mother is 17 years old now. How old is Tara now?
  3. 3.In 20 years, Karan will be three times as old as Karan was 4 years ago. How old is Karan now?
  4. 4.Ananya’s father is twice as old as Ananya. The sum of their ages is 42 years. How old is the father?
  5. 5.In 28 years, Arjun will be twice as old as Arjun was 3 years ago. How old is Arjun now?
  6. 6.In 29 years, Meera will be twice as old as Meera was 2 years ago. How old is Meera now?
  7. 7.Aarav is 4 years older than Arjun. In 7 years, the sum of their ages will be 44. How old is Arjun now?
  8. 8.2 years ago, Dev’s mother was four times as old as Dev. The mother is 22 years old now. How old is Dev now?
  9. 9.In 24 years, Kabir will be twice as old as Kabir was 4 years ago. How old is Kabir now?
  10. 10.In 2 years, Tara will be three times as old as Tara was 6 years ago. How old is Tara now?
  11. 11.4 years ago, Meera’s mother was four times as old as Meera. The mother is 20 years old now. How old is Meera now?
  12. 12.6 years ago, Kabir’s mother was three times as old as Kabir. The mother is 18 years old now. How old is Kabir now?
  13. 13.In 28 years, Rahul will be twice as old as Rahul was 6 years ago. How old is Rahul now?
  14. 14.2 years ago, Aarav’s mother was twice as old as Aarav. The mother is 10 years old now. How old is Aarav now?
  15. 15.6 years ago, Manav’s mother was three times as old as Manav. The mother is 21 years old now. How old is Manav now?
  16. 16.3 years ago, Karan’s mother was twice as old as Karan. The mother is 17 years old now. How old is Karan now?
  17. 17.Dev is 7 years older than Rohan. In 2 years, the sum of their ages will be 21. How old is Rohan now?
  18. 18.Rohan is 6 years older than Priya. In 3 years, the sum of their ages will be 50. How old is Priya now?
  19. 19.Kabir is 8 years older than Kavya. In 8 years, the sum of their ages will be 64. How old is Kavya now?
  20. 20.5 years ago, Saanvi’s mother was four times as old as Saanvi. The mother is 25 years old now. How old is Saanvi now?
  21. 21.Arjun’s father is four times as old as Arjun. The sum of their ages is 65 years. How old is the father?
  22. 22.3 years ago, Pooja’s mother was twice as old as Pooja. The mother is 9 years old now. How old is Pooja now?
  23. 23.In 22 years, Ananya will be three times as old as Ananya was 4 years ago. How old is Ananya now?
  24. 24.In 25 years, Sneha will be three times as old as Sneha was 3 years ago. How old is Sneha now?
  25. 25.In 10 years, Arjun will be three times as old as Arjun was 2 years ago. How old is Arjun now?
  26. 26.In 24 years, Saanvi will be three times as old as Saanvi was 2 years ago. How old is Saanvi now?
  27. 27.9 years ago, Nisha’s mother was twice as old as Nisha. The mother is 15 years old now. How old is Nisha now?
  28. 28.In 16 years, Aditya will be twice as old as Aditya was 5 years ago. How old is Aditya now?
  29. 29.Rohan is 5 years older than Diya. In 7 years, the sum of their ages will be 41. How old is Diya now?
  30. 30.In 17 years, Priya will be twice as old as Priya was 4 years ago. How old is Priya now?
  31. 31.Nisha is 5 years older than Meera. In 7 years, the sum of their ages will be 59. How old is Meera now?
  32. 32.Manav’s father is three times as old as Manav. The sum of their ages is 52 years. How old is Manav?
  33. 33.8 years ago, Aditya’s mother was three times as old as Aditya. The mother is 17 years old now. How old is Aditya now?
  34. 34.Diya’s father is twice as old as Diya. The sum of their ages is 39 years. How old is Diya?
  35. 35.In 6 years, Manav will be twice as old as Manav was 2 years ago. How old is Manav now?
  36. 36.Karan’s father is four times as old as Karan. The sum of their ages is 35 years. How old is the father?
  37. 37.Farhan is 8 years older than Dev. In 7 years, the sum of their ages will be 62. How old is Dev now?
  38. 38.Diya is 7 years older than Manav. In 2 years, the sum of their ages will be 71. How old is Manav now?
  39. 39.Nisha’s father is twice as old as Nisha. The sum of their ages is 21 years. How old is the father?
  40. 40.In 27 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?

Answer key

  1. 15
  2. 11
  3. 16
  4. 28
  5. 34
  6. 33
  7. 13
  8. 7
  9. 32
  10. 10
  11. 8
  12. 10
  13. 40
  14. 6
  15. 11
  16. 10
  17. 5
  18. 19
  19. 20
  20. 10
  21. 52
  22. 6
  23. 17
  24. 17
  25. 8
  26. 15
  27. 12
  28. 26
  29. 11
  30. 25
  31. 20
  32. 13
  33. 11
  34. 13
  35. 10
  36. 28
  37. 20
  38. 30
  39. 14
  40. 39

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