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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 602 · 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 13 years, Rohan will be three times as old as Rohan was 3 years ago. How old is Rohan now?
  2. 2.4 years ago, Diya’s mother was four times as old as Diya. The mother is 16 years old now. How old is Diya now?
  3. 3.5 years ago, Rahul’s mother was four times as old as Rahul. The mother is 53 years old now. How old is Rahul now?
  4. 4.8 years ago, Nisha’s mother was four times as old as Nisha. The mother is 20 years old now. How old is Nisha now?
  5. 5.Priya’s father is twice as old as Priya. The sum of their ages is 36 years. How old is Priya?
  6. 6.Rohan’s father is twice as old as Rohan. The sum of their ages is 18 years. How old is Rohan?
  7. 7.5 years ago, Saanvi’s mother was four times as old as Saanvi. The mother is 21 years old now. How old is Saanvi now?
  8. 8.Ishaan is 3 years older than Meera. In 10 years, the sum of their ages will be 53. How old is Meera now?
  9. 9.Farhan’s father is four times as old as Farhan. The sum of their ages is 75 years. How old is Farhan?
  10. 10.Nisha’s father is five times as old as Nisha. The sum of their ages is 42 years. How old is Nisha?
  11. 11.Rahul is 4 years older than Meera. In 10 years, the sum of their ages will be 64. How old is Meera now?
  12. 12.Rohan’s father is five times as old as Rohan. The sum of their ages is 42 years. How old is the father?
  13. 13.Rahul is 7 years older than Arjun. In 4 years, the sum of their ages will be 55. How old is Arjun now?
  14. 14.Dev is 2 years older than Aarav. In 10 years, the sum of their ages will be 62. How old is Aarav now?
  15. 15.Rahul’s father is twice as old as Rahul. The sum of their ages is 36 years. How old is the father?
  16. 16.In 1 years, Vivaan will be twice as old as Vivaan was 6 years ago. How old is Vivaan now?
  17. 17.Sneha is 9 years older than Rohan. In 3 years, the sum of their ages will be 35. How old is Rohan now?
  18. 18.9 years ago, Tara’s mother was twice as old as Tara. The mother is 17 years old now. How old is Tara now?
  19. 19.3 years ago, Kabir’s mother was twice as old as Kabir. The mother is 27 years old now. How old is Kabir now?
  20. 20.3 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 21 years old now. How old is Saanvi now?
  21. 21.In 17 years, Sneha will be twice as old as Sneha was 5 years ago. How old is Sneha now?
  22. 22.Aditya is 2 years older than Ananya. In 6 years, the sum of their ages will be 54. How old is Ananya now?
  23. 23.6 years ago, Diya’s mother was three times as old as Diya. The mother is 21 years old now. How old is Diya now?
  24. 24.3 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 36 years old now. How old is Ishaan now?
  25. 25.2 years ago, Aarav’s mother was three times as old as Aarav. The mother is 17 years old now. How old is Aarav now?
  26. 26.4 years ago, Kavya’s mother was four times as old as Kavya. The mother is 20 years old now. How old is Kavya now?
  27. 27.Kabir’s father is four times as old as Kabir. The sum of their ages is 55 years. How old is Kabir?
  28. 28.In 11 years, Vivaan will be twice as old as Vivaan was 6 years ago. How old is Vivaan now?
  29. 29.Ishaan is 2 years older than Nisha. In 7 years, the sum of their ages will be 28. How old is Nisha now?
  30. 30.In 8 years, Tara will be twice as old as Tara was 3 years ago. How old is Tara now?
  31. 31.Diya is 4 years older than Rohan. In 8 years, the sum of their ages will be 48. How old is Rohan now?
  32. 32.Meera’s father is twice as old as Meera. The sum of their ages is 15 years. How old is the father?
  33. 33.In 16 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
  34. 34.5 years ago, Priya’s mother was three times as old as Priya. The mother is 20 years old now. How old is Priya now?
  35. 35.In 16 years, Ishaan will be three times as old as Ishaan was 6 years ago. How old is Ishaan now?
  36. 36.Diya is 4 years older than Zoya. In 10 years, the sum of their ages will be 78. How old is Zoya now?
  37. 37.Kavya’s father is three times as old as Kavya. The sum of their ages is 56 years. How old is the father?
  38. 38.Tara is 10 years older than Rahul. In 3 years, the sum of their ages will be 72. How old is Rahul now?
  39. 39.In 6 years, Tara will be three times as old as Tara was 4 years ago. How old is Tara now?
  40. 40.5 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 21 years old now. How old is Ishaan now?

Answer key

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

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