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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 788 · 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.Nisha’s father is three times as old as Nisha. The sum of their ages is 60 years. How old is Nisha?
  2. 2.In 13 years, Karan will be twice as old as Karan was 3 years ago. How old is Karan now?
  3. 3.Meera’s father is three times as old as Meera. The sum of their ages is 60 years. How old is the father?
  4. 4.Rahul’s father is twice as old as Rahul. The sum of their ages is 21 years. How old is Rahul?
  5. 5.Tara’s father is five times as old as Tara. The sum of their ages is 90 years. How old is Tara?
  6. 6.In 12 years, Ananya will be twice as old as Ananya was 4 years ago. How old is Ananya now?
  7. 7.Manav is 7 years older than Rohan. In 9 years, the sum of their ages will be 85. How old is Rohan now?
  8. 8.3 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 23 years old now. How old is Saanvi now?
  9. 9.In 19 years, Manav will be three times as old as Manav was 5 years ago. How old is Manav now?
  10. 10.7 years ago, Manav’s mother was twice as old as Manav. The mother is 25 years old now. How old is Manav now?
  11. 11.Tara’s father is three times as old as Tara. The sum of their ages is 40 years. How old is the father?
  12. 12.9 years ago, Aditya’s mother was three times as old as Aditya. The mother is 21 years old now. How old is Aditya now?
  13. 13.Sneha’s father is twice as old as Sneha. The sum of their ages is 30 years. How old is Sneha?
  14. 14.Sneha is 8 years older than Isha. In 7 years, the sum of their ages will be 82. How old is Isha now?
  15. 15.10 years ago, Arjun’s mother was four times as old as Arjun. The mother is 50 years old now. How old is Arjun now?
  16. 16.In 5 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?
  17. 17.Zoya’s father is five times as old as Zoya. The sum of their ages is 84 years. How old is the father?
  18. 18.2 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 17 years old now. How old is Saanvi now?
  19. 19.In 16 years, Vivaan will be three times as old as Vivaan was 2 years ago. How old is Vivaan now?
  20. 20.Zoya’s father is twice as old as Zoya. The sum of their ages is 18 years. How old is Zoya?
  21. 21.Nisha’s father is three times as old as Nisha. The sum of their ages is 56 years. How old is the father?
  22. 22.Rohan is 9 years older than Zoya. In 3 years, the sum of their ages will be 71. How old is Zoya now?
  23. 23.In 25 years, Kabir will be twice as old as Kabir was 5 years ago. How old is Kabir now?
  24. 24.Aarav’s father is five times as old as Aarav. The sum of their ages is 30 years. How old is Aarav?
  25. 25.In 15 years, Dev will be twice as old as Dev was 2 years ago. How old is Dev now?
  26. 26.Dev’s father is three times as old as Dev. The sum of their ages is 28 years. How old is Dev?
  27. 27.In 25 years, Kabir will be three times as old as Kabir was 3 years ago. How old is Kabir now?
  28. 28.Dev is 6 years older than Manav. In 4 years, the sum of their ages will be 36. How old is Manav now?
  29. 29.Priya is 9 years older than Tara. In 4 years, the sum of their ages will be 47. How old is Tara now?
  30. 30.5 years ago, Sneha’s mother was four times as old as Sneha. The mother is 21 years old now. How old is Sneha now?
  31. 31.Priya’s father is three times as old as Priya. The sum of their ages is 36 years. How old is the father?
  32. 32.Dev is 6 years older than Farhan. In 8 years, the sum of their ages will be 74. How old is Farhan now?
  33. 33.Pooja’s father is three times as old as Pooja. The sum of their ages is 28 years. How old is the father?
  34. 34.Karan’s father is three times as old as Karan. The sum of their ages is 24 years. How old is Karan?
  35. 35.Dev is 9 years older than Diya. In 10 years, the sum of their ages will be 45. How old is Diya now?
  36. 36.3 years ago, Rahul’s mother was twice as old as Rahul. The mother is 17 years old now. How old is Rahul now?
  37. 37.In 5 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
  38. 38.In 3 years, Rahul will be twice as old as Rahul was 6 years ago. How old is Rahul now?
  39. 39.In 21 years, Nisha will be twice as old as Nisha was 5 years ago. How old is Nisha now?
  40. 40.Rohan’s father is four times as old as Rohan. The sum of their ages is 75 years. How old is the father?

Answer key

  1. 15
  2. 19
  3. 45
  4. 7
  5. 15
  6. 20
  7. 30
  8. 13
  9. 17
  10. 16
  11. 30
  12. 13
  13. 10
  14. 30
  15. 20
  16. 17
  17. 70
  18. 7
  19. 11
  20. 6
  21. 42
  22. 28
  23. 35
  24. 5
  25. 19
  26. 7
  27. 17
  28. 11
  29. 15
  30. 9
  31. 27
  32. 26
  33. 21
  34. 6
  35. 8
  36. 10
  37. 11
  38. 15
  39. 31
  40. 60

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