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Problems on Ages Worksheet

Quantitative aptitude lesson 17: Problems on ages · Set 415 · 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.Dev is 9 years older than Nisha. In 8 years, the sum of their ages will be 45. How old is Nisha now?
  2. 2.Aarav’s father is three times as old as Aarav. The sum of their ages is 36 years. How old is the father?
  3. 3.In 30 years, Aditya will be three times as old as Aditya was 4 years ago. How old is Aditya now?
  4. 4.Nisha is 4 years older than Aditya. In 5 years, the sum of their ages will be 56. How old is Aditya now?
  5. 5.Kabir is 8 years older than Rohan. In 9 years, the sum of their ages will be 68. How old is Rohan now?
  6. 6.In 21 years, Sneha will be twice as old as Sneha was 6 years ago. How old is Sneha now?
  7. 7.Isha’s father is twice as old as Isha. The sum of their ages is 18 years. How old is the father?
  8. 8.Kavya is 6 years older than Zoya. In 8 years, the sum of their ages will be 54. How old is Zoya now?
  9. 9.3 years ago, Ananya’s mother was twice as old as Ananya. The mother is 17 years old now. How old is Ananya now?
  10. 10.4 years ago, Isha’s mother was twice as old as Isha. The mother is 20 years old now. How old is Isha now?
  11. 11.Arjun is 3 years older than Saanvi. In 3 years, the sum of their ages will be 33. How old is Saanvi now?
  12. 12.Kavya’s father is twice as old as Kavya. The sum of their ages is 24 years. How old is the father?
  13. 13.Rahul’s father is five times as old as Rahul. The sum of their ages is 30 years. How old is the father?
  14. 14.Ananya’s father is three times as old as Ananya. The sum of their ages is 20 years. How old is Ananya?
  15. 15.Rohan is 3 years older than Isha. In 6 years, the sum of their ages will be 33. How old is Isha now?
  16. 16.In 30 years, Aditya will be twice as old as Aditya was 3 years ago. How old is Aditya now?
  17. 17.2 years ago, Manav’s mother was four times as old as Manav. The mother is 22 years old now. How old is Manav now?
  18. 18.Aditya is 7 years older than Farhan. In 7 years, the sum of their ages will be 81. How old is Farhan now?
  19. 19.Dev’s father is twice as old as Dev. The sum of their ages is 21 years. How old is the father?
  20. 20.Arjun’s father is twice as old as Arjun. The sum of their ages is 15 years. How old is Arjun?
  21. 21.5 years ago, Aditya’s mother was twice as old as Aditya. The mother is 23 years old now. How old is Aditya now?
  22. 22.In 25 years, Kabir will be twice as old as Kabir was 6 years ago. How old is Kabir now?
  23. 23.Dev is 7 years older than Karan. In 4 years, the sum of their ages will be 39. How old is Karan now?
  24. 24.5 years ago, Diya’s mother was twice as old as Diya. The mother is 19 years old now. How old is Diya now?
  25. 25.In 16 years, Kabir will be three times as old as Kabir was 2 years ago. How old is Kabir now?
  26. 26.Ananya is 2 years older than Manav. In 4 years, the sum of their ages will be 22. How old is Manav now?
  27. 27.6 years ago, Kavya’s mother was four times as old as Kavya. The mother is 22 years old now. How old is Kavya now?
  28. 28.In 15 years, Farhan will be twice as old as Farhan was 5 years ago. How old is Farhan now?
  29. 29.In 10 years, Farhan will be twice as old as Farhan was 5 years ago. How old is Farhan now?
  30. 30.Kabir’s father is five times as old as Kabir. The sum of their ages is 60 years. How old is the father?
  31. 31.2 years ago, Farhan’s mother was three times as old as Farhan. The mother is 23 years old now. How old is Farhan now?
  32. 32.Saanvi is 10 years older than Farhan. In 6 years, the sum of their ages will be 78. How old is Farhan now?
  33. 33.8 years ago, Priya’s mother was four times as old as Priya. The mother is 52 years old now. How old is Priya now?
  34. 34.Rohan’s father is twice as old as Rohan. The sum of their ages is 18 years. How old is the father?
  35. 35.5 years ago, Diya’s mother was three times as old as Diya. The mother is 20 years old now. How old is Diya now?
  36. 36.Nisha’s father is twice as old as Nisha. The sum of their ages is 45 years. How old is the father?
  37. 37.Zoya is 8 years older than Karan. In 2 years, the sum of their ages will be 30. How old is Karan now?
  38. 38.In 3 years, Aditya will be three times as old as Aditya was 5 years ago. How old is Aditya now?
  39. 39.In 30 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
  40. 40.In 26 years, Meera will be twice as old as Meera was 4 years ago. How old is Meera now?

Answer key

  1. 10
  2. 27
  3. 21
  4. 21
  5. 21
  6. 33
  7. 12
  8. 16
  9. 10
  10. 12
  11. 12
  12. 16
  13. 25
  14. 5
  15. 9
  16. 36
  17. 7
  18. 30
  19. 14
  20. 5
  21. 14
  22. 37
  23. 12
  24. 12
  25. 11
  26. 6
  27. 10
  28. 25
  29. 20
  30. 50
  31. 9
  32. 28
  33. 19
  34. 12
  35. 10
  36. 30
  37. 9
  38. 9
  39. 36
  40. 34

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