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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 645 · 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.

NameDateTime takenScore ___ / 40
  1. 1.Rohan’s father is twice as old as Rohan. The sum of their ages is 39 years. How old is Rohan?
  2. 2.Aditya’s father is three times as old as Aditya. The sum of their ages is 60 years. How old is Aditya?
  3. 3.Farhan’s father is twice as old as Farhan. The sum of their ages is 21 years. How old is the father?
  4. 4.Dev’s father is three times as old as Dev. The sum of their ages is 32 years. How old is Dev?
  5. 5.5 years ago, Karan’s mother was four times as old as Karan. The mother is 33 years old now. How old is Karan now?
  6. 6.In 12 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
  7. 7.4 years ago, Karan’s mother was four times as old as Karan. The mother is 48 years old now. How old is Karan now?
  8. 8.Kabir is 10 years older than Tara. In 4 years, the sum of their ages will be 36. How old is Tara now?
  9. 9.In 11 years, Tara will be twice as old as Tara was 2 years ago. How old is Tara now?
  10. 10.Nisha’s father is five times as old as Nisha. The sum of their ages is 54 years. How old is Nisha?
  11. 11.In 8 years, Tara will be three times as old as Tara was 6 years ago. How old is Tara now?
  12. 12.8 years ago, Pooja’s mother was twice as old as Pooja. The mother is 32 years old now. How old is Pooja now?
  13. 13.Nisha is 8 years older than Rohan. In 7 years, the sum of their ages will be 52. How old is Rohan now?
  14. 14.3 years ago, Priya’s mother was twice as old as Priya. The mother is 27 years old now. How old is Priya now?
  15. 15.Sneha’s father is twice as old as Sneha. The sum of their ages is 15 years. How old is Sneha?
  16. 16.3 years ago, Kabir’s mother was twice as old as Kabir. The mother is 23 years old now. How old is Kabir now?
  17. 17.9 years ago, Manav’s mother was four times as old as Manav. The mother is 29 years old now. How old is Manav now?
  18. 18.In 23 years, Arjun will be three times as old as Arjun was 3 years ago. How old is Arjun now?
  19. 19.Aarav’s father is twice as old as Aarav. The sum of their ages is 18 years. How old is Aarav?
  20. 20.Tara is 7 years older than Rohan. In 10 years, the sum of their ages will be 71. How old is Rohan now?
  21. 21.In 18 years, Aarav will be three times as old as Aarav was 2 years ago. How old is Aarav now?
  22. 22.6 years ago, Rahul’s mother was twice as old as Rahul. The mother is 14 years old now. How old is Rahul now?
  23. 23.5 years ago, Kavya’s mother was four times as old as Kavya. The mother is 17 years old now. How old is Kavya now?
  24. 24.5 years ago, Dev’s mother was four times as old as Dev. The mother is 33 years old now. How old is Dev now?
  25. 25.Dev’s father is twice as old as Dev. The sum of their ages is 42 years. How old is the father?
  26. 26.10 years ago, Dev’s mother was twice as old as Dev. The mother is 32 years old now. How old is Dev now?
  27. 27.Arjun’s father is twice as old as Arjun. The sum of their ages is 18 years. How old is Arjun?
  28. 28.5 years ago, Ananya’s mother was twice as old as Ananya. The mother is 13 years old now. How old is Ananya now?
  29. 29.Nisha’s father is three times as old as Nisha. The sum of their ages is 56 years. How old is Nisha?
  30. 30.3 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 47 years old now. How old is Ishaan now?
  31. 31.Arjun’s father is three times as old as Arjun. The sum of their ages is 48 years. How old is Arjun?
  32. 32.7 years ago, Tara’s mother was four times as old as Tara. The mother is 47 years old now. How old is Tara now?
  33. 33.9 years ago, Vivaan’s mother was three times as old as Vivaan. The mother is 18 years old now. How old is Vivaan now?
  34. 34.Kabir is 7 years older than Vivaan. In 2 years, the sum of their ages will be 27. How old is Vivaan now?
  35. 35.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 21 years. How old is Ishaan?
  36. 36.Tara’s father is five times as old as Tara. The sum of their ages is 72 years. How old is Tara?
  37. 37.Aarav’s father is four times as old as Aarav. The sum of their ages is 40 years. How old is the father?
  38. 38.In 2 years, Arjun will be twice as old as Arjun was 3 years ago. How old is Arjun now?
  39. 39.In 19 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?
  40. 40.Diya’s father is three times as old as Diya. The sum of their ages is 28 years. How old is the father?

Answer key

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

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