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Age and Coin Puzzles Worksheet

Maths tricks trick 14: Age and coin puzzles · Set 608 · 40 questions
TalentJR

The trick (Pretend and adjust): Ages: find each age now, then add (later) or take away (earlier) the same years for everyone. Coins: pretend all coins are ₹1; the extra money tells you how many ₹2 coins there are. Check your answer by putting it back into the riddle.

NameDateTime takenScore ___ / 40
  1. 1.A father is 32 years old and his son is 14. How old was the father when the son was born?
  2. 2.In 5 years a boy will be 19 years old. How old was he 6 years ago?
  3. 3.In 3 years a boy will be 13 years old. How old was he 2 years ago?
  4. 4.In 6 years a boy will be 18 years old. How old was he 6 years ago?
  5. 5.The ages of two twins add up to 16. How old is each twin?
  6. 6.A girl is 10 years old and her brother is 2 years older. How old will her brother be in 3 years?
  7. 7.A girl is 6 years old and her brother is 3 years older. How old will her brother be in 3 years?
  8. 8.A father is 33 years old and his son is 10. How old was the father when the son was born?
  9. 9.A girl is 6 years old and her brother is 6 years older. How old will her brother be in 3 years?
  10. 10.A father is 42 years old and his son is 9. How old was the father when the son was born?
  11. 11.A girl is 5 years old and her brother is 3 years older. How old will her brother be in 7 years?
  12. 12.A father is 44 years old and his son is 5. How old was the father when the son was born?
  13. 13.You have 15 coins. Each coin is ₹1 or ₹2, and together they make ₹22. How many ₹2 coins do you have?
  14. 14.The ages of two twins add up to 12. How old is each twin?
  15. 15.A piggy bank has 10 coins of ₹5 and 13 coins of ₹2. How many rupees are in it?
  16. 16.The ages of two twins add up to 8. How old is each twin?
  17. 17.A piggy bank has 7 coins of ₹5 and 11 coins of ₹2. How many rupees are in it?
  18. 18.A girl is 5 years old and her brother is 2 years older. How old will her brother be in 3 years?
  19. 19.A father is 40 years old and his son is 4. How old was the father when the son was born?
  20. 20.A girl is 7 years old and her brother is 3 years older. How old will her brother be in 5 years?
  21. 21.The ages of two twins add up to 28. How old is each twin?
  22. 22.A girl is 6 years old and her brother is 3 years older. How old will her brother be in 7 years?
  23. 23.A piggy bank has 4 coins of ₹5 and 12 coins of ₹2. How many rupees are in it?
  24. 24.In 2 years a boy will be 15 years old. How old was he 4 years ago?
  25. 25.A piggy bank has 10 coins of ₹5 and 6 coins of ₹2. How many rupees are in it?
  26. 26.In 4 years a boy will be 13 years old. How old was he 4 years ago?
  27. 27.A girl is 5 years old and her brother is 5 years older. How old will her brother be in 9 years?
  28. 28.A father is 38 years old and his son is 6. How old was the father when the son was born?
  29. 29.You have 5 coins. Each coin is ₹1 or ₹2, and together they make ₹8. How many ₹2 coins do you have?
  30. 30.A piggy bank has 4 coins of ₹5 and 7 coins of ₹2. How many rupees are in it?
  31. 31.In 4 years a boy will be 18 years old. How old was he 5 years ago?
  32. 32.A girl is 11 years old and her brother is 6 years older. How old will her brother be in 6 years?
  33. 33.A father is 34 years old and his son is 8. How old was the father when the son was born?
  34. 34.In 5 years a boy will be 14 years old. How old was he 2 years ago?
  35. 35.A girl is 12 years old and her brother is 2 years older. How old will her brother be in 8 years?
  36. 36.A father is 45 years old and his son is 14. How old was the father when the son was born?
  37. 37.A girl is 9 years old and her brother is 5 years older. How old will her brother be in 5 years?
  38. 38.A girl is 9 years old and her brother is 3 years older. How old will her brother be in 7 years?
  39. 39.A girl is 10 years old and her brother is 5 years older. How old will her brother be in 2 years?
  40. 40.A piggy bank has 8 coins of ₹5 and 9 coins of ₹2. How many rupees are in it?

Answer key

  1. 18
  2. 8
  3. 8
  4. 6
  5. 8
  6. 15
  7. 12
  8. 23
  9. 15
  10. 33
  11. 15
  12. 39
  13. 7
  14. 6
  15. 76
  16. 4
  17. 57
  18. 10
  19. 36
  20. 15
  21. 14
  22. 16
  23. 44
  24. 9
  25. 62
  26. 5
  27. 19
  28. 32
  29. 3
  30. 34
  31. 9
  32. 23
  33. 26
  34. 7
  35. 22
  36. 31
  37. 19
  38. 19
  39. 17
  40. 58

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