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Age and Coin Puzzles Worksheet

Maths tricks trick 14: Age and coin puzzles · Set 289 · 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 piggy bank has 9 coins of ₹5 and 10 coins of ₹2. How many rupees are in it?
  2. 2.A girl is 10 years old and her brother is 3 years older. How old will her brother be in 4 years?
  3. 3.A girl is 10 years old and her brother is 4 years older. How old will her brother be in 2 years?
  4. 4.A piggy bank has 7 coins of ₹5 and 6 coins of ₹2. How many rupees are in it?
  5. 5.A father is 44 years old and his son is 4. How old was the father when the son was born?
  6. 6.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹14. How many ₹2 coins do you have?
  7. 7.A father is 31 years old and his son is 9. How old was the father when the son was born?
  8. 8.In 3 years a boy will be 14 years old. How old was he 7 years ago?
  9. 9.A girl is 6 years old and her brother is 3 years older. How old will her brother be in 9 years?
  10. 10.A father is 36 years old and his son is 7. How old was the father when the son was born?
  11. 11.A girl is 12 years old and her brother is 2 years older. How old will her brother be in 5 years?
  12. 12.A father is 35 years old and his son is 9. How old was the father when the son was born?
  13. 13.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹11. How many ₹2 coins do you have?
  14. 14.A piggy bank has 8 coins of ₹5 and 13 coins of ₹2. How many rupees are in it?
  15. 15.In 5 years a boy will be 17 years old. How old was he 6 years ago?
  16. 16.A girl is 5 years old and her brother is 2 years older. How old will her brother be in 8 years?
  17. 17.You have 14 coins. Each coin is ₹1 or ₹2, and together they make ₹19. How many ₹2 coins do you have?
  18. 18.A girl is 9 years old and her brother is 4 years older. How old will her brother be in 4 years?
  19. 19.A piggy bank has 12 coins of ₹5 and 2 coins of ₹2. How many rupees are in it?
  20. 20.A girl is 9 years old and her brother is 6 years older. How old will her brother be in 4 years?
  21. 21.A girl is 6 years old and her brother is 5 years older. How old will her brother be in 8 years?
  22. 22.A girl is 11 years old and her brother is 6 years older. How old will her brother be in 4 years?
  23. 23.A piggy bank has 5 coins of ₹5 and 11 coins of ₹2. How many rupees are in it?
  24. 24.A piggy bank has 10 coins of ₹5 and 4 coins of ₹2. How many rupees are in it?
  25. 25.A girl is 8 years old and her brother is 3 years older. How old will her brother be in 5 years?
  26. 26.A piggy bank has 6 coins of ₹5 and 5 coins of ₹2. How many rupees are in it?
  27. 27.In 2 years a boy will be 16 years old. How old was he 2 years ago?
  28. 28.A father is 34 years old and his son is 13. How old was the father when the son was born?
  29. 29.A father is 43 years old and his son is 9. How old was the father when the son was born?
  30. 30.You have 6 coins. Each coin is ₹1 or ₹2, and together they make ₹9. How many ₹2 coins do you have?
  31. 31.The ages of two twins add up to 28. How old is each twin?
  32. 32.The ages of two twins add up to 18. How old is each twin?
  33. 33.In 5 years a boy will be 13 years old. How old was he 3 years ago?
  34. 34.A father is 33 years old and his son is 14. How old was the father when the son was born?
  35. 35.In 3 years a boy will be 14 years old. How old was he 4 years ago?
  36. 36.A piggy bank has 3 coins of ₹5 and 14 coins of ₹2. How many rupees are in it?
  37. 37.In 5 years a boy will be 18 years old. How old was he 2 years ago?
  38. 38.A father is 42 years old and his son is 13. How old was the father when the son was born?
  39. 39.A girl is 8 years old and her brother is 2 years older. How old will her brother be in 2 years?
  40. 40.A father is 40 years old and his son is 5. How old was the father when the son was born?

Answer key

  1. 65
  2. 17
  3. 16
  4. 47
  5. 40
  6. 2
  7. 22
  8. 4
  9. 18
  10. 29
  11. 19
  12. 26
  13. 3
  14. 66
  15. 6
  16. 15
  17. 5
  18. 17
  19. 64
  20. 19
  21. 19
  22. 21
  23. 47
  24. 58
  25. 16
  26. 40
  27. 12
  28. 21
  29. 34
  30. 3
  31. 14
  32. 9
  33. 5
  34. 19
  35. 7
  36. 43
  37. 11
  38. 29
  39. 12
  40. 35

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