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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 811 · 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.Manav’s father is three times as old as Manav. The sum of their ages is 20 years. How old is Manav?
  2. 2.Diya’s father is four times as old as Diya. The sum of their ages is 75 years. How old is Diya?
  3. 3.Ishaan’s father is three times as old as Ishaan. The sum of their ages is 48 years. How old is the father?
  4. 4.In 10 years, Karan will be twice as old as Karan was 6 years ago. How old is Karan now?
  5. 5.Rohan is 9 years older than Pooja. In 5 years, the sum of their ages will be 77. How old is Pooja now?
  6. 6.In 21 years, Kavya will be twice as old as Kavya was 4 years ago. How old is Kavya now?
  7. 7.In 9 years, Kavya will be twice as old as Kavya was 6 years ago. How old is Kavya now?
  8. 8.Meera is 6 years older than Rahul. In 10 years, the sum of their ages will be 48. How old is Rahul now?
  9. 9.In 21 years, Farhan will be twice as old as Farhan was 6 years ago. How old is Farhan now?
  10. 10.3 years ago, Kabir’s mother was four times as old as Kabir. The mother is 31 years old now. How old is Kabir now?
  11. 11.Farhan’s father is five times as old as Farhan. The sum of their ages is 66 years. How old is Farhan?
  12. 12.3 years ago, Sneha’s mother was twice as old as Sneha. The mother is 11 years old now. How old is Sneha now?
  13. 13.Kavya’s father is twice as old as Kavya. The sum of their ages is 27 years. How old is Kavya?
  14. 14.8 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 20 years old now. How old is Vivaan now?
  15. 15.Aditya is 3 years older than Zoya. In 2 years, the sum of their ages will be 17. How old is Zoya now?
  16. 16.6 years ago, Meera’s mother was twice as old as Meera. The mother is 28 years old now. How old is Meera now?
  17. 17.Ananya’s father is three times as old as Ananya. The sum of their ages is 40 years. How old is Ananya?
  18. 18.Ishaan is 8 years older than Rohan. In 4 years, the sum of their ages will be 64. How old is Rohan now?
  19. 19.2 years ago, Arjun’s mother was four times as old as Arjun. The mother is 14 years old now. How old is Arjun now?
  20. 20.3 years ago, Arjun’s mother was three times as old as Arjun. The mother is 12 years old now. How old is Arjun now?
  21. 21.Rahul’s father is twice as old as Rahul. The sum of their ages is 18 years. How old is Rahul?
  22. 22.Manav is 8 years older than Dev. In 5 years, the sum of their ages will be 50. How old is Dev now?
  23. 23.10 years ago, Farhan’s mother was four times as old as Farhan. The mother is 34 years old now. How old is Farhan now?
  24. 24.In 21 years, Ananya will be twice as old as Ananya was 6 years ago. How old is Ananya now?
  25. 25.2 years ago, Dev’s mother was three times as old as Dev. The mother is 14 years old now. How old is Dev now?
  26. 26.Aarav is 8 years older than Dev. In 3 years, the sum of their ages will be 58. How old is Dev now?
  27. 27.Tara is 10 years older than Isha. In 6 years, the sum of their ages will be 72. How old is Isha now?
  28. 28.9 years ago, Karan’s mother was four times as old as Karan. The mother is 37 years old now. How old is Karan now?
  29. 29.9 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 15 years old now. How old is Saanvi now?
  30. 30.Tara’s father is four times as old as Tara. The sum of their ages is 75 years. How old is the father?
  31. 31.In 20 years, Kabir will be twice as old as Kabir was 2 years ago. How old is Kabir now?
  32. 32.5 years ago, Karan’s mother was twice as old as Karan. The mother is 25 years old now. How old is Karan now?
  33. 33.7 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 17 years old now. How old is Vivaan now?
  34. 34.Aarav is 7 years older than Priya. In 3 years, the sum of their ages will be 25. How old is Priya now?
  35. 35.7 years ago, Aarav’s mother was four times as old as Aarav. The mother is 19 years old now. How old is Aarav now?
  36. 36.Karan is 10 years older than Pooja. In 6 years, the sum of their ages will be 56. How old is Pooja now?
  37. 37.2 years ago, Aditya’s mother was twice as old as Aditya. The mother is 26 years old now. How old is Aditya now?
  38. 38.3 years ago, Priya’s mother was four times as old as Priya. The mother is 31 years old now. How old is Priya now?
  39. 39.8 years ago, Rohan’s mother was twice as old as Rohan. The mother is 14 years old now. How old is Rohan now?
  40. 40.Kavya’s father is four times as old as Kavya. The sum of their ages is 75 years. How old is Kavya?

Answer key

  1. 5
  2. 15
  3. 36
  4. 22
  5. 29
  6. 29
  7. 21
  8. 11
  9. 33
  10. 10
  11. 11
  12. 7
  13. 9
  14. 14
  15. 5
  16. 17
  17. 10
  18. 24
  19. 5
  20. 6
  21. 6
  22. 16
  23. 16
  24. 33
  25. 6
  26. 22
  27. 25
  28. 16
  29. 12
  30. 60
  31. 24
  32. 15
  33. 12
  34. 6
  35. 10
  36. 17
  37. 14
  38. 10
  39. 11
  40. 15

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