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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 781 · 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.Kabir’s father is twice as old as Kabir. The sum of their ages is 36 years. How old is Kabir?
  2. 2.3 years ago, Karan’s mother was four times as old as Karan. The mother is 19 years old now. How old is Karan now?
  3. 3.8 years ago, Sneha’s mother was three times as old as Sneha. The mother is 41 years old now. How old is Sneha now?
  4. 4.Rohan is 6 years older than Ishaan. In 4 years, the sum of their ages will be 72. How old is Ishaan now?
  5. 5.2 years ago, Arjun’s mother was twice as old as Arjun. The mother is 10 years old now. How old is Arjun now?
  6. 6.7 years ago, Kavya’s mother was twice as old as Kavya. The mother is 27 years old now. How old is Kavya now?
  7. 7.In 2 years, Rahul will be twice as old as Rahul was 6 years ago. How old is Rahul now?
  8. 8.Dev’s father is twice as old as Dev. The sum of their ages is 45 years. How old is Dev?
  9. 9.9 years ago, Aarav’s mother was four times as old as Aarav. The mother is 57 years old now. How old is Aarav now?
  10. 10.Karan’s father is twice as old as Karan. The sum of their ages is 42 years. How old is Karan?
  11. 11.Arjun’s father is five times as old as Arjun. The sum of their ages is 54 years. How old is Arjun?
  12. 12.Priya’s father is three times as old as Priya. The sum of their ages is 48 years. How old is Priya?
  13. 13.Farhan’s father is five times as old as Farhan. The sum of their ages is 54 years. How old is the father?
  14. 14.Dev is 3 years older than Saanvi. In 3 years, the sum of their ages will be 39. How old is Saanvi now?
  15. 15.In 14 years, Priya will be twice as old as Priya was 2 years ago. How old is Priya now?
  16. 16.3 years ago, Priya’s mother was twice as old as Priya. The mother is 17 years old now. How old is Priya now?
  17. 17.Arjun is 8 years older than Vivaan. In 6 years, the sum of their ages will be 52. How old is Vivaan now?
  18. 18.7 years ago, Meera’s mother was twice as old as Meera. The mother is 27 years old now. How old is Meera now?
  19. 19.2 years ago, Dev’s mother was four times as old as Dev. The mother is 30 years old now. How old is Dev now?
  20. 20.4 years ago, Farhan’s mother was four times as old as Farhan. The mother is 24 years old now. How old is Farhan now?
  21. 21.Priya is 10 years older than Rohan. In 6 years, the sum of their ages will be 58. How old is Rohan now?
  22. 22.Farhan’s father is three times as old as Farhan. The sum of their ages is 56 years. How old is Farhan?
  23. 23.Kavya’s father is five times as old as Kavya. The sum of their ages is 42 years. How old is the father?
  24. 24.Isha’s father is four times as old as Isha. The sum of their ages is 75 years. How old is Isha?
  25. 25.In 7 years, Meera will be twice as old as Meera was 4 years ago. How old is Meera now?
  26. 26.Diya’s father is three times as old as Diya. The sum of their ages is 24 years. How old is the father?
  27. 27.8 years ago, Ananya’s mother was twice as old as Ananya. The mother is 24 years old now. How old is Ananya now?
  28. 28.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 66 years. How old is the father?
  29. 29.In 12 years, Zoya will be twice as old as Zoya was 2 years ago. How old is Zoya now?
  30. 30.Saanvi is 5 years older than Arjun. In 10 years, the sum of their ages will be 63. How old is Arjun now?
  31. 31.Tara’s father is three times as old as Tara. The sum of their ages is 20 years. How old is the father?
  32. 32.Sneha is 10 years older than Rohan. In 2 years, the sum of their ages will be 36. How old is Rohan now?
  33. 33.6 years ago, Dev’s mother was three times as old as Dev. The mother is 33 years old now. How old is Dev now?
  34. 34.Farhan is 10 years older than Zoya. In 9 years, the sum of their ages will be 82. How old is Zoya now?
  35. 35.10 years ago, Meera’s mother was three times as old as Meera. The mother is 28 years old now. How old is Meera now?
  36. 36.Aarav’s father is twice as old as Aarav. The sum of their ages is 27 years. How old is Aarav?
  37. 37.10 years ago, Zoya’s mother was three times as old as Zoya. The mother is 31 years old now. How old is Zoya now?
  38. 38.Meera is 5 years older than Manav. In 9 years, the sum of their ages will be 37. How old is Manav now?
  39. 39.9 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 29 years old now. How old is Vivaan now?
  40. 40.4 years ago, Farhan’s mother was four times as old as Farhan. The mother is 36 years old now. How old is Farhan now?

Answer key

  1. 12
  2. 7
  3. 19
  4. 29
  5. 6
  6. 17
  7. 14
  8. 15
  9. 21
  10. 14
  11. 9
  12. 12
  13. 45
  14. 15
  15. 18
  16. 10
  17. 16
  18. 17
  19. 9
  20. 9
  21. 18
  22. 14
  23. 35
  24. 15
  25. 15
  26. 18
  27. 16
  28. 55
  29. 16
  30. 19
  31. 15
  32. 11
  33. 15
  34. 27
  35. 16
  36. 9
  37. 17
  38. 7
  39. 14
  40. 12

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