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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 255 · 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.Rohan is 10 years older than Zoya. In 5 years, the sum of their ages will be 68. How old is Zoya now?
  2. 2.Kabir’s father is four times as old as Kabir. The sum of their ages is 65 years. How old is the father?
  3. 3.Ishaan’s father is four times as old as Ishaan. The sum of their ages is 70 years. How old is Ishaan?
  4. 4.9 years ago, Dev’s mother was four times as old as Dev. The mother is 57 years old now. How old is Dev now?
  5. 5.Karan is 7 years older than Kavya. In 5 years, the sum of their ages will be 55. How old is Kavya now?
  6. 6.Meera is 6 years older than Rohan. In 9 years, the sum of their ages will be 56. How old is Rohan now?
  7. 7.Rahul’s father is four times as old as Rahul. The sum of their ages is 30 years. How old is the father?
  8. 8.Zoya’s father is three times as old as Zoya. The sum of their ages is 40 years. How old is Zoya?
  9. 9.Rohan’s father is four times as old as Rohan. The sum of their ages is 70 years. How old is the father?
  10. 10.In 20 years, Nisha will be twice as old as Nisha was 2 years ago. How old is Nisha now?
  11. 11.In 7 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
  12. 12.Dev is 6 years older than Isha. In 9 years, the sum of their ages will be 38. How old is Isha now?
  13. 13.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 84 years. How old is the father?
  14. 14.Karan is 5 years older than Dev. In 2 years, the sum of their ages will be 45. How old is Dev now?
  15. 15.Dev is 9 years older than Rahul. In 2 years, the sum of their ages will be 47. How old is Rahul now?
  16. 16.Saanvi is 4 years older than Zoya. In 3 years, the sum of their ages will be 62. How old is Zoya now?
  17. 17.Arjun’s father is three times as old as Arjun. The sum of their ages is 20 years. How old is the father?
  18. 18.In 26 years, Arjun will be twice as old as Arjun was 4 years ago. How old is Arjun now?
  19. 19.In 20 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?
  20. 20.In 19 years, Arjun will be three times as old as Arjun was 5 years ago. How old is Arjun now?
  21. 21.Vivaan is 7 years older than Aarav. In 10 years, the sum of their ages will be 75. How old is Aarav now?
  22. 22.Aditya’s father is three times as old as Aditya. The sum of their ages is 32 years. How old is Aditya?
  23. 23.Kavya’s father is twice as old as Kavya. The sum of their ages is 36 years. How old is Kavya?
  24. 24.In 3 years, Saanvi will be twice as old as Saanvi was 6 years ago. How old is Saanvi now?
  25. 25.In 30 years, Aditya will be twice as old as Aditya was 2 years ago. How old is Aditya now?
  26. 26.Ananya is 8 years older than Diya. In 2 years, the sum of their ages will be 30. How old is Diya now?
  27. 27.In 11 years, Pooja will be twice as old as Pooja was 4 years ago. How old is Pooja now?
  28. 28.In 25 years, Vivaan will be three times as old as Vivaan was 3 years ago. How old is Vivaan now?
  29. 29.5 years ago, Arjun’s mother was twice as old as Arjun. The mother is 17 years old now. How old is Arjun now?
  30. 30.Ananya’s father is twice as old as Ananya. The sum of their ages is 18 years. How old is Ananya?
  31. 31.Tara’s father is twice as old as Tara. The sum of their ages is 27 years. How old is the father?
  32. 32.In 28 years, Aarav will be twice as old as Aarav was 6 years ago. How old is Aarav now?
  33. 33.In 9 years, Aditya will be twice as old as Aditya was 5 years ago. How old is Aditya now?
  34. 34.Karan’s father is three times as old as Karan. The sum of their ages is 48 years. How old is the father?
  35. 35.Isha’s father is five times as old as Isha. The sum of their ages is 60 years. How old is Isha?
  36. 36.7 years ago, Meera’s mother was four times as old as Meera. The mother is 23 years old now. How old is Meera now?
  37. 37.3 years ago, Nisha’s mother was three times as old as Nisha. The mother is 36 years old now. How old is Nisha now?
  38. 38.In 18 years, Diya will be twice as old as Diya was 4 years ago. How old is Diya now?
  39. 39.Pooja is 8 years older than Kabir. In 10 years, the sum of their ages will be 44. How old is Kabir now?
  40. 40.5 years ago, Diya’s mother was four times as old as Diya. The mother is 29 years old now. How old is Diya now?

Answer key

  1. 24
  2. 52
  3. 14
  4. 21
  5. 19
  6. 16
  7. 24
  8. 10
  9. 56
  10. 24
  11. 17
  12. 7
  13. 70
  14. 18
  15. 17
  16. 26
  17. 15
  18. 34
  19. 32
  20. 17
  21. 24
  22. 8
  23. 12
  24. 15
  25. 34
  26. 9
  27. 19
  28. 17
  29. 11
  30. 6
  31. 18
  32. 40
  33. 19
  34. 36
  35. 10
  36. 11
  37. 14
  38. 26
  39. 8
  40. 11

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