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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 523 · 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. 1.6 years ago, Kabir’s mother was twice as old as Kabir. The mother is 30 years old now. How old is Kabir now?
  2. 2.5 years ago, Kabir’s mother was three times as old as Kabir. The mother is 23 years old now. How old is Kabir now?
  3. 3.Ananya’s father is three times as old as Ananya. The sum of their ages is 28 years. How old is the father?
  4. 4.9 years ago, Manav’s mother was four times as old as Manav. The mother is 33 years old now. How old is Manav now?
  5. 5.In 17 years, Zoya will be twice as old as Zoya was 3 years ago. How old is Zoya now?
  6. 6.In 19 years, Rohan will be twice as old as Rohan was 5 years ago. How old is Rohan now?
  7. 7.In 11 years, Ananya will be twice as old as Ananya was 5 years ago. How old is Ananya now?
  8. 8.10 years ago, Ananya’s mother was four times as old as Ananya. The mother is 54 years old now. How old is Ananya now?
  9. 9.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 15 years. How old is Vivaan?
  10. 10.Farhan’s father is four times as old as Farhan. The sum of their ages is 60 years. How old is the father?
  11. 11.Manav’s father is twice as old as Manav. The sum of their ages is 18 years. How old is the father?
  12. 12.In 23 years, Zoya will be twice as old as Zoya was 5 years ago. How old is Zoya now?
  13. 13.Isha’s father is three times as old as Isha. The sum of their ages is 20 years. How old is the father?
  14. 14.Arjun is 4 years older than Pooja. In 2 years, the sum of their ages will be 60. How old is Pooja now?
  15. 15.3 years ago, Sneha’s mother was twice as old as Sneha. The mother is 27 years old now. How old is Sneha now?
  16. 16.In 27 years, Arjun will be twice as old as Arjun was 3 years ago. How old is Arjun now?
  17. 17.Aditya’s father is five times as old as Aditya. The sum of their ages is 54 years. How old is the father?
  18. 18.In 23 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
  19. 19.8 years ago, Aarav’s mother was four times as old as Aarav. The mother is 20 years old now. How old is Aarav now?
  20. 20.In 22 years, Rohan will be three times as old as Rohan was 4 years ago. How old is Rohan now?
  21. 21.Isha’s father is twice as old as Isha. The sum of their ages is 24 years. How old is the father?
  22. 22.7 years ago, Arjun’s mother was four times as old as Arjun. The mother is 55 years old now. How old is Arjun now?
  23. 23.Diya’s father is five times as old as Diya. The sum of their ages is 90 years. How old is Diya?
  24. 24.In 5 years, Diya will be twice as old as Diya was 2 years ago. How old is Diya now?
  25. 25.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 90 years. How old is Vivaan?
  26. 26.In 22 years, Priya will be three times as old as Priya was 6 years ago. How old is Priya now?
  27. 27.9 years ago, Kavya’s mother was four times as old as Kavya. The mother is 21 years old now. How old is Kavya now?
  28. 28.In 4 years, Priya will be twice as old as Priya was 6 years ago. How old is Priya now?
  29. 29.In 21 years, Dev will be three times as old as Dev was 5 years ago. How old is Dev now?
  30. 30.Arjun is 7 years older than Rahul. In 10 years, the sum of their ages will be 73. How old is Rahul now?
  31. 31.In 23 years, Nisha will be twice as old as Nisha was 4 years ago. How old is Nisha now?
  32. 32.Farhan is 3 years older than Ishaan. In 8 years, the sum of their ages will be 31. How old is Ishaan now?
  33. 33.Meera is 5 years older than Saanvi. In 3 years, the sum of their ages will be 39. How old is Saanvi now?
  34. 34.4 years ago, Ananya’s mother was twice as old as Ananya. The mother is 10 years old now. How old is Ananya now?
  35. 35.Priya’s father is five times as old as Priya. The sum of their ages is 54 years. How old is Priya?
  36. 36.6 years ago, Ananya’s mother was four times as old as Ananya. The mother is 42 years old now. How old is Ananya now?
  37. 37.10 years ago, Aarav’s mother was twice as old as Aarav. The mother is 18 years old now. How old is Aarav now?
  38. 38.Kabir is 5 years older than Tara. In 6 years, the sum of their ages will be 45. How old is Tara now?
  39. 39.In 10 years, Zoya will be twice as old as Zoya was 4 years ago. How old is Zoya now?
  40. 40.In 30 years, Isha will be twice as old as Isha was 5 years ago. How old is Isha now?

Answer key

  1. 18
  2. 11
  3. 21
  4. 15
  5. 23
  6. 29
  7. 21
  8. 21
  9. 5
  10. 48
  11. 12
  12. 33
  13. 15
  14. 26
  15. 15
  16. 33
  17. 45
  18. 33
  19. 11
  20. 17
  21. 16
  22. 19
  23. 15
  24. 9
  25. 15
  26. 20
  27. 12
  28. 16
  29. 18
  30. 23
  31. 31
  32. 6
  33. 14
  34. 7
  35. 9
  36. 15
  37. 14
  38. 14
  39. 18
  40. 40

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