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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 676 · 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.Karan’s father is four times as old as Karan. The sum of their ages is 35 years. How old is the father?
  2. 2.In 5 years, Arjun will be three times as old as Arjun was 5 years ago. How old is Arjun now?
  3. 3.Priya is 7 years older than Rohan. In 4 years, the sum of their ages will be 45. How old is Rohan now?
  4. 4.In 30 years, Zoya will be three times as old as Zoya was 4 years ago. How old is Zoya now?
  5. 5.Kavya is 10 years older than Manav. In 8 years, the sum of their ages will be 64. How old is Manav now?
  6. 6.Isha’s father is twice as old as Isha. The sum of their ages is 18 years. How old is the father?
  7. 7.In 5 years, Dev will be three times as old as Dev was 5 years ago. How old is Dev now?
  8. 8.In 20 years, Ananya will be twice as old as Ananya was 2 years ago. How old is Ananya now?
  9. 9.In 19 years, Isha will be twice as old as Isha was 4 years ago. How old is Isha now?
  10. 10.In 27 years, Rohan will be twice as old as Rohan was 4 years ago. How old is Rohan now?
  11. 11.Meera is 2 years older than Kabir. In 8 years, the sum of their ages will be 66. How old is Kabir now?
  12. 12.In 11 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
  13. 13.5 years ago, Diya’s mother was three times as old as Diya. The mother is 35 years old now. How old is Diya now?
  14. 14.In 20 years, Isha will be twice as old as Isha was 3 years ago. How old is Isha now?
  15. 15.Karan’s father is four times as old as Karan. The sum of their ages is 70 years. How old is Karan?
  16. 16.Dev’s father is twice as old as Dev. The sum of their ages is 36 years. How old is Dev?
  17. 17.In 16 years, Karan will be twice as old as Karan was 6 years ago. How old is Karan now?
  18. 18.Aarav’s father is twice as old as Aarav. The sum of their ages is 15 years. How old is Aarav?
  19. 19.3 years ago, Isha’s mother was twice as old as Isha. The mother is 9 years old now. How old is Isha now?
  20. 20.In 4 years, Rohan will be twice as old as Rohan was 4 years ago. How old is Rohan now?
  21. 21.In 10 years, Rahul will be twice as old as Rahul was 5 years ago. How old is Rahul now?
  22. 22.In 23 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
  23. 23.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 65 years. How old is the father?
  24. 24.Rohan is 2 years older than Kabir. In 6 years, the sum of their ages will be 28. How old is Kabir now?
  25. 25.3 years ago, Farhan’s mother was twice as old as Farhan. The mother is 23 years old now. How old is Farhan now?
  26. 26.In 1 years, Ananya will be three times as old as Ananya was 5 years ago. How old is Ananya now?
  27. 27.In 23 years, Rohan will be three times as old as Rohan was 3 years ago. How old is Rohan now?
  28. 28.Kavya’s father is three times as old as Kavya. The sum of their ages is 60 years. How old is the father?
  29. 29.Ishaan is 9 years older than Aarav. In 10 years, the sum of their ages will be 43. How old is Aarav now?
  30. 30.Dev’s father is three times as old as Dev. The sum of their ages is 20 years. How old is Dev?
  31. 31.5 years ago, Isha’s mother was twice as old as Isha. The mother is 29 years old now. How old is Isha now?
  32. 32.Rohan’s father is twice as old as Rohan. The sum of their ages is 36 years. How old is Rohan?
  33. 33.In 25 years, Isha will be three times as old as Isha was 5 years ago. How old is Isha now?
  34. 34.Dev’s father is four times as old as Dev. The sum of their ages is 35 years. How old is the father?
  35. 35.Zoya’s father is four times as old as Zoya. The sum of their ages is 25 years. How old is Zoya?
  36. 36.4 years ago, Aarav’s mother was four times as old as Aarav. The mother is 16 years old now. How old is Aarav now?
  37. 37.In 7 years, Manav will be twice as old as Manav was 4 years ago. How old is Manav now?
  38. 38.Arjun is 5 years older than Priya. In 4 years, the sum of their ages will be 37. How old is Priya now?
  39. 39.Rahul is 2 years older than Arjun. In 3 years, the sum of their ages will be 52. How old is Arjun now?
  40. 40.8 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 20 years old now. How old is Ishaan now?

Answer key

  1. 28
  2. 10
  3. 15
  4. 21
  5. 19
  6. 12
  7. 10
  8. 24
  9. 27
  10. 35
  11. 24
  12. 23
  13. 15
  14. 26
  15. 14
  16. 12
  17. 28
  18. 5
  19. 6
  20. 12
  21. 20
  22. 33
  23. 52
  24. 7
  25. 13
  26. 8
  27. 16
  28. 45
  29. 7
  30. 5
  31. 17
  32. 12
  33. 20
  34. 28
  35. 5
  36. 7
  37. 15
  38. 12
  39. 22
  40. 14

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