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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 911 · 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.Kabir is 2 years older than Kavya. In 9 years, the sum of their ages will be 78. How old is Kavya now?
  2. 2.6 years ago, Nisha’s mother was three times as old as Nisha. The mother is 15 years old now. How old is Nisha now?
  3. 3.Nisha is 10 years older than Isha. In 8 years, the sum of their ages will be 38. How old is Isha now?
  4. 4.Rohan’s father is five times as old as Rohan. The sum of their ages is 36 years. How old is Rohan?
  5. 5.Aditya’s father is twice as old as Aditya. The sum of their ages is 30 years. How old is the father?
  6. 6.Saanvi’s father is three times as old as Saanvi. The sum of their ages is 44 years. How old is Saanvi?
  7. 7.Aditya is 5 years older than Arjun. In 3 years, the sum of their ages will be 21. How old is Arjun now?
  8. 8.Kavya’s father is twice as old as Kavya. The sum of their ages is 30 years. How old is the father?
  9. 9.6 years ago, Aarav’s mother was four times as old as Aarav. The mother is 34 years old now. How old is Aarav now?
  10. 10.Meera’s father is three times as old as Meera. The sum of their ages is 20 years. How old is Meera?
  11. 11.In 10 years, Diya will be twice as old as Diya was 5 years ago. How old is Diya now?
  12. 12.10 years ago, Tara’s mother was four times as old as Tara. The mother is 34 years old now. How old is Tara now?
  13. 13.Dev is 2 years older than Aditya. In 10 years, the sum of their ages will be 82. How old is Aditya now?
  14. 14.Manav’s father is three times as old as Manav. The sum of their ages is 36 years. How old is the father?
  15. 15.Kavya’s father is twice as old as Kavya. The sum of their ages is 21 years. How old is Kavya?
  16. 16.8 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 18 years old now. How old is Ishaan now?
  17. 17.10 years ago, Farhan’s mother was twice as old as Farhan. The mother is 28 years old now. How old is Farhan now?
  18. 18.Rahul is 7 years older than Nisha. In 9 years, the sum of their ages will be 39. How old is Nisha now?
  19. 19.Meera is 9 years older than Aditya. In 3 years, the sum of their ages will be 29. How old is Aditya now?
  20. 20.Diya’s father is four times as old as Diya. The sum of their ages is 60 years. How old is the father?
  21. 21.Isha’s father is three times as old as Isha. The sum of their ages is 36 years. How old is the father?
  22. 22.3 years ago, Isha’s mother was four times as old as Isha. The mother is 19 years old now. How old is Isha now?
  23. 23.In 20 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
  24. 24.In 7 years, Dev will be twice as old as Dev was 6 years ago. How old is Dev now?
  25. 25.Zoya’s father is twice as old as Zoya. The sum of their ages is 24 years. How old is the father?
  26. 26.In 22 years, Ishaan will be three times as old as Ishaan was 4 years ago. How old is Ishaan now?
  27. 27.2 years ago, Ananya’s mother was twice as old as Ananya. The mother is 18 years old now. How old is Ananya now?
  28. 28.8 years ago, Rohan’s mother was twice as old as Rohan. The mother is 32 years old now. How old is Rohan now?
  29. 29.In 24 years, Kabir will be twice as old as Kabir was 3 years ago. How old is Kabir now?
  30. 30.Zoya is 3 years older than Isha. In 5 years, the sum of their ages will be 25. How old is Isha now?
  31. 31.Karan’s father is four times as old as Karan. The sum of their ages is 45 years. How old is Karan?
  32. 32.Ishaan is 3 years older than Aditya. In 2 years, the sum of their ages will be 31. How old is Aditya now?
  33. 33.8 years ago, Sneha’s mother was twice as old as Sneha. The mother is 22 years old now. How old is Sneha now?
  34. 34.Priya is 4 years older than Ananya. In 9 years, the sum of their ages will be 44. How old is Ananya now?
  35. 35.Diya’s father is five times as old as Diya. The sum of their ages is 42 years. How old is the father?
  36. 36.Saanvi is 4 years older than Aarav. In 9 years, the sum of their ages will be 64. How old is Aarav now?
  37. 37.Manav is 10 years older than Saanvi. In 2 years, the sum of their ages will be 26. How old is Saanvi now?
  38. 38.Pooja’s father is twice as old as Pooja. The sum of their ages is 21 years. How old is Pooja?
  39. 39.4 years ago, Ananya’s mother was twice as old as Ananya. The mother is 20 years old now. How old is Ananya now?
  40. 40.Rahul is 3 years older than Kabir. In 4 years, the sum of their ages will be 65. How old is Kabir now?

Answer key

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

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