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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 398 · 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.In 10 years, Dev will be twice as old as Dev was 5 years ago. How old is Dev now?
  2. 2.Ananya’s father is four times as old as Ananya. The sum of their ages is 30 years. How old is Ananya?
  3. 3.2 years ago, Sneha’s mother was twice as old as Sneha. The mother is 18 years old now. How old is Sneha now?
  4. 4.Karan is 10 years older than Manav. In 5 years, the sum of their ages will be 36. How old is Manav now?
  5. 5.Ananya’s father is five times as old as Ananya. The sum of their ages is 54 years. How old is Ananya?
  6. 6.Rohan is 10 years older than Priya. In 4 years, the sum of their ages will be 70. How old is Priya now?
  7. 7.In 8 years, Priya will be twice as old as Priya was 2 years ago. How old is Priya now?
  8. 8.In 26 years, Aarav will be twice as old as Aarav was 2 years ago. How old is Aarav now?
  9. 9.In 2 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
  10. 10.In 4 years, Rahul will be twice as old as Rahul was 3 years ago. How old is Rahul now?
  11. 11.In 14 years, Isha will be twice as old as Isha was 6 years ago. How old is Isha now?
  12. 12.Rahul’s father is four times as old as Rahul. The sum of their ages is 50 years. How old is Rahul?
  13. 13.In 5 years, Arjun will be twice as old as Arjun was 4 years ago. How old is Arjun now?
  14. 14.2 years ago, Kabir’s mother was four times as old as Kabir. The mother is 50 years old now. How old is Kabir now?
  15. 15.In 30 years, Kabir will be three times as old as Kabir was 6 years ago. How old is Kabir now?
  16. 16.Kavya is 5 years older than Saanvi. In 3 years, the sum of their ages will be 29. How old is Saanvi now?
  17. 17.Kabir is 5 years older than Aditya. In 9 years, the sum of their ages will be 45. How old is Aditya now?
  18. 18.Ananya’s father is five times as old as Ananya. The sum of their ages is 84 years. How old is Ananya?
  19. 19.Kavya’s father is four times as old as Kavya. The sum of their ages is 70 years. How old is Kavya?
  20. 20.9 years ago, Tara’s mother was twice as old as Tara. The mother is 33 years old now. How old is Tara now?
  21. 21.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 21 years. How old is Ishaan?
  22. 22.6 years ago, Karan’s mother was four times as old as Karan. The mother is 30 years old now. How old is Karan now?
  23. 23.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 36 years. How old is Vivaan?
  24. 24.2 years ago, Kabir’s mother was four times as old as Kabir. The mother is 46 years old now. How old is Kabir now?
  25. 25.In 8 years, Vivaan will be twice as old as Vivaan was 5 years ago. How old is Vivaan now?
  26. 26.Kavya is 3 years older than Aditya. In 9 years, the sum of their ages will be 75. How old is Aditya now?
  27. 27.Karan’s father is three times as old as Karan. The sum of their ages is 56 years. How old is the father?
  28. 28.Farhan is 7 years older than Tara. In 7 years, the sum of their ages will be 41. How old is Tara now?
  29. 29.Rohan is 4 years older than Kabir. In 4 years, the sum of their ages will be 50. How old is Kabir now?
  30. 30.4 years ago, Meera’s mother was twice as old as Meera. The mother is 10 years old now. How old is Meera now?
  31. 31.In 4 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
  32. 32.In 23 years, Kabir will be three times as old as Kabir was 3 years ago. How old is Kabir now?
  33. 33.3 years ago, Kabir’s mother was three times as old as Kabir. The mother is 36 years old now. How old is Kabir now?
  34. 34.Karan is 5 years older than Sneha. In 2 years, the sum of their ages will be 39. How old is Sneha now?
  35. 35.Dev’s father is twice as old as Dev. The sum of their ages is 39 years. How old is Dev?
  36. 36.In 13 years, Dev will be three times as old as Dev was 5 years ago. How old is Dev now?
  37. 37.Rohan is 8 years older than Diya. In 6 years, the sum of their ages will be 78. How old is Diya now?
  38. 38.Priya’s father is three times as old as Priya. The sum of their ages is 32 years. How old is the father?
  39. 39.In 12 years, Isha will be twice as old as Isha was 2 years ago. How old is Isha now?
  40. 40.Farhan is 3 years older than Nisha. In 9 years, the sum of their ages will be 61. How old is Nisha now?

Answer key

  1. 20
  2. 6
  3. 10
  4. 8
  5. 9
  6. 26
  7. 12
  8. 30
  9. 8
  10. 10
  11. 26
  12. 10
  13. 13
  14. 14
  15. 24
  16. 9
  17. 11
  18. 14
  19. 14
  20. 21
  21. 7
  22. 12
  23. 12
  24. 13
  25. 18
  26. 27
  27. 42
  28. 10
  29. 19
  30. 7
  31. 10
  32. 16
  33. 14
  34. 15
  35. 13
  36. 14
  37. 29
  38. 24
  39. 16
  40. 20

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