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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 968 · 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. 1.10 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.Farhan’s father is three times as old as Farhan. The sum of their ages is 52 years. How old is the father?
  3. 3.In 7 years, Ananya will be three times as old as Ananya was 3 years ago. How old is Ananya now?
  4. 4.Diya’s father is five times as old as Diya. The sum of their ages is 72 years. How old is Diya?
  5. 5.Kabir’s father is five times as old as Kabir. The sum of their ages is 60 years. How old is Kabir?
  6. 6.7 years ago, Sneha’s mother was twice as old as Sneha. The mother is 25 years old now. How old is Sneha now?
  7. 7.9 years ago, Arjun’s mother was four times as old as Arjun. The mother is 21 years old now. How old is Arjun now?
  8. 8.Sneha’s father is twice as old as Sneha. The sum of their ages is 15 years. How old is the father?
  9. 9.Isha’s father is twice as old as Isha. The sum of their ages is 42 years. How old is the father?
  10. 10.Isha is 4 years older than Ishaan. In 10 years, the sum of their ages will be 34. How old is Ishaan now?
  11. 11.Karan’s father is four times as old as Karan. The sum of their ages is 30 years. How old is the father?
  12. 12.Meera’s father is three times as old as Meera. The sum of their ages is 28 years. How old is the father?
  13. 13.9 years ago, Pooja’s mother was four times as old as Pooja. The mother is 37 years old now. How old is Pooja now?
  14. 14.In 26 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
  15. 15.Aditya’s father is three times as old as Aditya. The sum of their ages is 20 years. How old is Aditya?
  16. 16.Pooja’s father is twice as old as Pooja. The sum of their ages is 45 years. How old is Pooja?
  17. 17.Nisha’s father is five times as old as Nisha. The sum of their ages is 78 years. How old is Nisha?
  18. 18.Zoya’s father is five times as old as Zoya. The sum of their ages is 42 years. How old is the father?
  19. 19.In 30 years, Priya will be three times as old as Priya was 4 years ago. How old is Priya now?
  20. 20.9 years ago, Diya’s mother was three times as old as Diya. The mother is 42 years old now. How old is Diya now?
  21. 21.In 29 years, Ishaan will be three times as old as Ishaan was 5 years ago. How old is Ishaan now?
  22. 22.In 25 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
  23. 23.4 years ago, Meera’s mother was four times as old as Meera. The mother is 24 years old now. How old is Meera now?
  24. 24.7 years ago, Tara’s mother was four times as old as Tara. The mother is 39 years old now. How old is Tara now?
  25. 25.4 years ago, Arjun’s mother was three times as old as Arjun. The mother is 19 years old now. How old is Arjun now?
  26. 26.Arjun is 9 years older than Rahul. In 9 years, the sum of their ages will be 41. How old is Rahul now?
  27. 27.Diya’s father is five times as old as Diya. The sum of their ages is 72 years. How old is the father?
  28. 28.Kabir’s father is three times as old as Kabir. The sum of their ages is 52 years. How old is Kabir?
  29. 29.Aarav’s father is five times as old as Aarav. The sum of their ages is 42 years. How old is Aarav?
  30. 30.Dev is 8 years older than Ananya. In 8 years, the sum of their ages will be 58. How old is Ananya now?
  31. 31.5 years ago, Karan’s mother was twice as old as Karan. The mother is 25 years old now. How old is Karan now?
  32. 32.Manav is 2 years older than Farhan. In 3 years, the sum of their ages will be 48. How old is Farhan now?
  33. 33.Nisha is 10 years older than Arjun. In 4 years, the sum of their ages will be 38. How old is Arjun now?
  34. 34.5 years ago, Diya’s mother was three times as old as Diya. The mother is 32 years old now. How old is Diya now?
  35. 35.5 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 29 years old now. How old is Vivaan now?
  36. 36.Priya’s father is five times as old as Priya. The sum of their ages is 30 years. How old is the father?
  37. 37.Meera’s father is twice as old as Meera. The sum of their ages is 27 years. How old is Meera?
  38. 38.In 7 years, Meera will be twice as old as Meera was 4 years ago. How old is Meera now?
  39. 39.Ananya is 8 years older than Farhan. In 7 years, the sum of their ages will be 54. How old is Farhan now?
  40. 40.9 years ago, Kavya’s mother was four times as old as Kavya. The mother is 29 years old now. How old is Kavya now?

Answer key

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

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