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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 661 · 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.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
  2. 2.In 23 years, Rohan will be three times as old as Rohan was 3 years ago. How old is Rohan now?
  3. 3.7 years ago, Meera’s mother was twice as old as Meera. The mother is 13 years old now. How old is Meera now?
  4. 4.Diya is 7 years older than Tara. In 3 years, the sum of their ages will be 63. How old is Tara now?
  5. 5.In 25 years, Ananya will be three times as old as Ananya was 3 years ago. How old is Ananya now?
  6. 6.Manav’s father is three times as old as Manav. The sum of their ages is 24 years. How old is the father?
  7. 7.Ishaan’s father is five times as old as Ishaan. The sum of their ages is 72 years. How old is Ishaan?
  8. 8.4 years ago, Kabir’s mother was four times as old as Kabir. The mother is 20 years old now. How old is Kabir now?
  9. 9.In 6 years, Aditya will be twice as old as Aditya was 3 years ago. How old is Aditya now?
  10. 10.9 years ago, Isha’s mother was twice as old as Isha. The mother is 27 years old now. How old is Isha now?
  11. 11.Aarav is 4 years older than Rahul. In 2 years, the sum of their ages will be 28. How old is Rahul now?
  12. 12.In 6 years, Vivaan will be twice as old as Vivaan was 4 years ago. How old is Vivaan now?
  13. 13.In 21 years, Sneha will be twice as old as Sneha was 2 years ago. How old is Sneha now?
  14. 14.Karan’s father is three times as old as Karan. The sum of their ages is 28 years. How old is the father?
  15. 15.Rohan’s father is four times as old as Rohan. The sum of their ages is 30 years. How old is Rohan?
  16. 16.Karan is 5 years older than Sneha. In 4 years, the sum of their ages will be 23. How old is Sneha now?
  17. 17.4 years ago, Rohan’s mother was three times as old as Rohan. The mother is 22 years old now. How old is Rohan now?
  18. 18.Priya’s father is three times as old as Priya. The sum of their ages is 44 years. How old is the father?
  19. 19.Aditya is 10 years older than Rohan. In 6 years, the sum of their ages will be 50. How old is Rohan now?
  20. 20.In 27 years, Zoya will be three times as old as Zoya was 3 years ago. How old is Zoya now?
  21. 21.8 years ago, Rohan’s mother was twice as old as Rohan. The mother is 24 years old now. How old is Rohan now?
  22. 22.Kavya is 10 years older than Rohan. In 8 years, the sum of their ages will be 86. How old is Rohan now?
  23. 23.Karan’s father is twice as old as Karan. The sum of their ages is 42 years. How old is Karan?
  24. 24.In 11 years, Meera will be twice as old as Meera was 3 years ago. How old is Meera now?
  25. 25.9 years ago, Priya’s mother was four times as old as Priya. The mother is 21 years old now. How old is Priya now?
  26. 26.Rahul is 6 years older than Farhan. In 4 years, the sum of their ages will be 72. How old is Farhan now?
  27. 27.Isha is 3 years older than Aditya. In 4 years, the sum of their ages will be 51. How old is Aditya now?
  28. 28.5 years ago, Zoya’s mother was twice as old as Zoya. The mother is 11 years old now. How old is Zoya now?
  29. 29.Aditya’s father is four times as old as Aditya. The sum of their ages is 30 years. How old is the father?
  30. 30.Kabir’s father is twice as old as Kabir. The sum of their ages is 24 years. How old is Kabir?
  31. 31.Aditya is 8 years older than Karan. In 5 years, the sum of their ages will be 78. How old is Karan now?
  32. 32.Rahul’s father is three times as old as Rahul. The sum of their ages is 44 years. How old is the father?
  33. 33.Ananya’s father is twice as old as Ananya. The sum of their ages is 27 years. How old is the father?
  34. 34.Isha’s father is four times as old as Isha. The sum of their ages is 60 years. How old is Isha?
  35. 35.Rohan is 10 years older than Isha. In 10 years, the sum of their ages will be 82. How old is Isha now?
  36. 36.In 28 years, Rahul will be twice as old as Rahul was 4 years ago. How old is Rahul now?
  37. 37.Tara is 2 years older than Dev. In 7 years, the sum of their ages will be 46. How old is Dev now?
  38. 38.2 years ago, Kavya’s mother was four times as old as Kavya. The mother is 22 years old now. How old is Kavya now?
  39. 39.Vivaan’s father is three times as old as Vivaan. The sum of their ages is 40 years. How old is Vivaan?
  40. 40.2 years ago, Aarav’s mother was twice as old as Aarav. The mother is 8 years old now. How old is Aarav now?

Answer key

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

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