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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 201 · 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.Rohan is 10 years older than Saanvi. In 2 years, the sum of their ages will be 74. How old is Saanvi now?
  2. 2.Diya is 3 years older than Arjun. In 7 years, the sum of their ages will be 57. How old is Arjun now?
  3. 3.Aarav’s father is twice as old as Aarav. The sum of their ages is 18 years. How old is Aarav?
  4. 4.10 years ago, Isha’s mother was three times as old as Isha. The mother is 19 years old now. How old is Isha now?
  5. 5.Zoya’s father is twice as old as Zoya. The sum of their ages is 42 years. How old is the father?
  6. 6.3 years ago, Dev’s mother was three times as old as Dev. The mother is 21 years old now. How old is Dev now?
  7. 7.In 16 years, Ananya will be three times as old as Ananya was 2 years ago. How old is Ananya now?
  8. 8.Pooja is 7 years older than Aarav. In 3 years, the sum of their ages will be 73. How old is Aarav now?
  9. 9.4 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 20 years old now. How old is Vivaan now?
  10. 10.Meera is 7 years older than Aarav. In 9 years, the sum of their ages will be 65. How old is Aarav now?
  11. 11.In 16 years, Zoya will be twice as old as Zoya was 4 years ago. How old is Zoya now?
  12. 12.Kabir’s father is five times as old as Kabir. The sum of their ages is 66 years. How old is Kabir?
  13. 13.Vivaan is 2 years older than Aditya. In 9 years, the sum of their ages will be 70. How old is Aditya now?
  14. 14.Rohan’s father is twice as old as Rohan. The sum of their ages is 21 years. How old is Rohan?
  15. 15.3 years ago, Kabir’s mother was four times as old as Kabir. The mother is 39 years old now. How old is Kabir now?
  16. 16.Diya’s father is three times as old as Diya. The sum of their ages is 24 years. How old is the father?
  17. 17.In 10 years, Farhan will be three times as old as Farhan was 4 years ago. How old is Farhan now?
  18. 18.In 6 years, Aarav will be twice as old as Aarav was 6 years ago. How old is Aarav now?
  19. 19.Manav’s father is five times as old as Manav. The sum of their ages is 78 years. How old is Manav?
  20. 20.9 years ago, Farhan’s mother was twice as old as Farhan. The mother is 29 years old now. How old is Farhan now?
  21. 21.In 18 years, Priya will be twice as old as Priya was 3 years ago. How old is Priya now?
  22. 22.7 years ago, Kabir’s mother was twice as old as Kabir. The mother is 17 years old now. How old is Kabir now?
  23. 23.Aarav’s father is four times as old as Aarav. The sum of their ages is 35 years. How old is Aarav?
  24. 24.Kabir is 6 years older than Meera. In 3 years, the sum of their ages will be 34. How old is Meera now?
  25. 25.Farhan’s father is twice as old as Farhan. The sum of their ages is 33 years. How old is the father?
  26. 26.Rahul’s father is three times as old as Rahul. The sum of their ages is 40 years. How old is Rahul?
  27. 27.Kabir is 10 years older than Pooja. In 9 years, the sum of their ages will be 72. How old is Pooja now?
  28. 28.Rahul’s father is five times as old as Rahul. The sum of their ages is 60 years. How old is Rahul?
  29. 29.Sneha is 4 years older than Vivaan. In 3 years, the sum of their ages will be 64. How old is Vivaan now?
  30. 30.Rahul is 8 years older than Diya. In 7 years, the sum of their ages will be 36. How old is Diya now?
  31. 31.Nisha is 4 years older than Zoya. In 4 years, the sum of their ages will be 72. How old is Zoya now?
  32. 32.Dev is 10 years older than Nisha. In 9 years, the sum of their ages will be 62. How old is Nisha now?
  33. 33.In 20 years, Priya will be twice as old as Priya was 5 years ago. How old is Priya now?
  34. 34.Aarav’s father is four times as old as Aarav. The sum of their ages is 40 years. How old is Aarav?
  35. 35.In 17 years, Kavya will be three times as old as Kavya was 3 years ago. How old is Kavya now?
  36. 36.Dev’s father is three times as old as Dev. The sum of their ages is 60 years. How old is Dev?
  37. 37.In 14 years, Rohan will be three times as old as Rohan was 2 years ago. How old is Rohan now?
  38. 38.Isha is 4 years older than Kabir. In 6 years, the sum of their ages will be 26. How old is Kabir now?
  39. 39.Rahul’s father is twice as old as Rahul. The sum of their ages is 30 years. How old is Rahul?
  40. 40.6 years ago, Manav’s mother was twice as old as Manav. The mother is 12 years old now. How old is Manav now?

Answer key

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

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