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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 189 · 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.Diya’s father is five times as old as Diya. The sum of their ages is 30 years. How old is the father?
  2. 2.Farhan is 10 years older than Rohan. In 9 years, the sum of their ages will be 48. How old is Rohan now?
  3. 3.Karan is 2 years older than Dev. In 6 years, the sum of their ages will be 64. How old is Dev now?
  4. 4.Diya’s father is twice as old as Diya. The sum of their ages is 42 years. How old is Diya?
  5. 5.In 13 years, Kabir will be twice as old as Kabir was 2 years ago. How old is Kabir now?
  6. 6.4 years ago, Aditya’s mother was twice as old as Aditya. The mother is 18 years old now. How old is Aditya now?
  7. 7.2 years ago, Tara’s mother was four times as old as Tara. The mother is 26 years old now. How old is Tara now?
  8. 8.6 years ago, Dev’s mother was four times as old as Dev. The mother is 42 years old now. How old is Dev now?
  9. 9.Aarav is 9 years older than Dev. In 2 years, the sum of their ages will be 35. How old is Dev now?
  10. 10.In 7 years, Ananya will be three times as old as Ananya was 3 years ago. How old is Ananya now?
  11. 11.7 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 27 years old now. How old is Vivaan now?
  12. 12.In 14 years, Ananya will be three times as old as Ananya was 2 years ago. How old is Ananya now?
  13. 13.Manav’s father is four times as old as Manav. The sum of their ages is 75 years. How old is Manav?
  14. 14.5 years ago, Rahul’s mother was four times as old as Rahul. The mother is 21 years old now. How old is Rahul now?
  15. 15.Karan is 3 years older than Pooja. In 9 years, the sum of their ages will be 67. How old is Pooja now?
  16. 16.Nisha’s father is four times as old as Nisha. The sum of their ages is 50 years. How old is the father?
  17. 17.10 years ago, Sneha’s mother was twice as old as Sneha. The mother is 16 years old now. How old is Sneha now?
  18. 18.Arjun is 5 years older than Zoya. In 6 years, the sum of their ages will be 35. How old is Zoya now?
  19. 19.Saanvi is 3 years older than Rohan. In 4 years, the sum of their ages will be 43. How old is Rohan now?
  20. 20.8 years ago, Meera’s mother was three times as old as Meera. The mother is 29 years old now. How old is Meera now?
  21. 21.3 years ago, Isha’s mother was three times as old as Isha. The mother is 30 years old now. How old is Isha now?
  22. 22.Ananya’s father is three times as old as Ananya. The sum of their ages is 20 years. How old is Ananya?
  23. 23.9 years ago, Aditya’s mother was twice as old as Aditya. The mother is 17 years old now. How old is Aditya now?
  24. 24.Kabir’s father is five times as old as Kabir. The sum of their ages is 54 years. How old is Kabir?
  25. 25.Arjun’s father is four times as old as Arjun. The sum of their ages is 45 years. How old is Arjun?
  26. 26.Arjun’s father is twice as old as Arjun. The sum of their ages is 24 years. How old is the father?
  27. 27.Arjun is 10 years older than Kabir. In 8 years, the sum of their ages will be 82. How old is Kabir now?
  28. 28.5 years ago, Sneha’s mother was twice as old as Sneha. The mother is 25 years old now. How old is Sneha now?
  29. 29.Karan’s father is three times as old as Karan. The sum of their ages is 44 years. How old is Karan?
  30. 30.In 26 years, Isha will be three times as old as Isha was 6 years ago. How old is Isha now?
  31. 31.Zoya’s father is twice as old as Zoya. The sum of their ages is 39 years. How old is Zoya?
  32. 32.Tara’s father is four times as old as Tara. The sum of their ages is 30 years. How old is the father?
  33. 33.Isha is 8 years older than Saanvi. In 3 years, the sum of their ages will be 54. How old is Saanvi now?
  34. 34.In 22 years, Diya will be three times as old as Diya was 6 years ago. How old is Diya now?
  35. 35.In 4 years, Saanvi will be three times as old as Saanvi was 4 years ago. How old is Saanvi now?
  36. 36.Dev is 6 years older than Aarav. In 2 years, the sum of their ages will be 28. How old is Aarav now?
  37. 37.3 years ago, Aditya’s mother was twice as old as Aditya. The mother is 11 years old now. How old is Aditya now?
  38. 38.6 years ago, Rohan’s mother was twice as old as Rohan. The mother is 14 years old now. How old is Rohan now?
  39. 39.Kavya is 4 years older than Aarav. In 3 years, the sum of their ages will be 56. How old is Aarav now?
  40. 40.5 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 23 years old now. How old is Saanvi now?

Answer key

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

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