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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 261 · 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. 1.7 years ago, Dev’s mother was three times as old as Dev. The mother is 16 years old now. How old is Dev now?
  2. 2.Aarav’s father is twice as old as Aarav. The sum of their ages is 21 years. How old is Aarav?
  3. 3.Zoya’s father is three times as old as Zoya. The sum of their ages is 36 years. How old is the father?
  4. 4.10 years ago, Dev’s mother was twice as old as Dev. The mother is 28 years old now. How old is Dev now?
  5. 5.In 10 years, Ananya will be three times as old as Ananya was 2 years ago. How old is Ananya now?
  6. 6.In 8 years, Dev will be twice as old as Dev was 4 years ago. How old is Dev now?
  7. 7.In 10 years, Pooja will be twice as old as Pooja was 6 years ago. How old is Pooja now?
  8. 8.7 years ago, Arjun’s mother was four times as old as Arjun. The mother is 23 years old now. How old is Arjun now?
  9. 9.5 years ago, Rohan’s mother was four times as old as Rohan. The mother is 29 years old now. How old is Rohan now?
  10. 10.Manav’s father is twice as old as Manav. The sum of their ages is 30 years. How old is Manav?
  11. 11.Ananya’s father is twice as old as Ananya. The sum of their ages is 15 years. How old is Ananya?
  12. 12.In 17 years, Aarav will be twice as old as Aarav was 5 years ago. How old is Aarav now?
  13. 13.In 20 years, Aditya will be twice as old as Aditya was 3 years ago. How old is Aditya now?
  14. 14.In 12 years, Diya will be twice as old as Diya was 6 years ago. How old is Diya now?
  15. 15.Meera’s father is twice as old as Meera. The sum of their ages is 45 years. How old is the father?
  16. 16.6 years ago, Kavya’s mother was four times as old as Kavya. The mother is 22 years old now. How old is Kavya now?
  17. 17.8 years ago, Nisha’s mother was three times as old as Nisha. The mother is 41 years old now. How old is Nisha now?
  18. 18.Karan’s father is three times as old as Karan. The sum of their ages is 56 years. How old is Karan?
  19. 19.Farhan’s father is three times as old as Farhan. The sum of their ages is 20 years. How old is the father?
  20. 20.In 24 years, Arjun will be twice as old as Arjun was 6 years ago. How old is Arjun now?
  21. 21.3 years ago, Farhan’s mother was twice as old as Farhan. The mother is 17 years old now. How old is Farhan now?
  22. 22.9 years ago, Priya’s mother was four times as old as Priya. The mother is 33 years old now. How old is Priya now?
  23. 23.Manav’s father is twice as old as Manav. The sum of their ages is 24 years. How old is Manav?
  24. 24.Saanvi is 9 years older than Diya. In 7 years, the sum of their ages will be 79. How old is Diya now?
  25. 25.Manav is 3 years older than Aarav. In 5 years, the sum of their ages will be 37. How old is Aarav now?
  26. 26.Priya’s father is three times as old as Priya. The sum of their ages is 44 years. How old is the father?
  27. 27.Arjun’s father is five times as old as Arjun. The sum of their ages is 66 years. How old is the father?
  28. 28.Rahul is 5 years older than Rohan. In 6 years, the sum of their ages will be 45. How old is Rohan now?
  29. 29.Zoya is 2 years older than Rahul. In 2 years, the sum of their ages will be 56. How old is Rahul now?
  30. 30.Kabir’s father is four times as old as Kabir. The sum of their ages is 45 years. How old is Kabir?
  31. 31.In 6 years, Sneha will be twice as old as Sneha was 3 years ago. How old is Sneha now?
  32. 32.In 4 years, Aditya will be twice as old as Aditya was 4 years ago. How old is Aditya now?
  33. 33.Meera is 4 years older than Isha. In 10 years, the sum of their ages will be 38. How old is Isha now?
  34. 34.Tara’s father is twice as old as Tara. The sum of their ages is 30 years. How old is Tara?
  35. 35.Farhan’s father is twice as old as Farhan. The sum of their ages is 36 years. How old is Farhan?
  36. 36.In 9 years, Priya will be twice as old as Priya was 2 years ago. How old is Priya now?
  37. 37.Rohan’s father is four times as old as Rohan. The sum of their ages is 35 years. How old is Rohan?
  38. 38.6 years ago, Meera’s mother was three times as old as Meera. The mother is 15 years old now. How old is Meera now?
  39. 39.Dev is 8 years older than Ananya. In 7 years, the sum of their ages will be 44. How old is Ananya now?
  40. 40.In 3 years, Manav will be twice as old as Manav was 4 years ago. How old is Manav now?

Answer key

  1. 10
  2. 7
  3. 27
  4. 19
  5. 8
  6. 16
  7. 22
  8. 11
  9. 11
  10. 10
  11. 5
  12. 27
  13. 26
  14. 24
  15. 30
  16. 10
  17. 19
  18. 14
  19. 15
  20. 36
  21. 10
  22. 15
  23. 8
  24. 28
  25. 12
  26. 33
  27. 55
  28. 14
  29. 25
  30. 9
  31. 12
  32. 12
  33. 7
  34. 10
  35. 12
  36. 13
  37. 7
  38. 9
  39. 11
  40. 11

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