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Age and Coin Puzzles Worksheet

Maths tricks trick 14: Age and coin puzzles · Set 122 · 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 8 coins of ₹5 and 6 coins of ₹2. How many rupees are in it?
  2. 2.A piggy bank has 6 coins of ₹5 and 6 coins of ₹2. How many rupees are in it?
  3. 3.In 6 years a boy will be 16 years old. How old was he 2 years ago?
  4. 4.A piggy bank has 9 coins of ₹5 and 10 coins of ₹2. How many rupees are in it?
  5. 5.You have 7 coins. Each coin is ₹1 or ₹2, and together they make ₹12. How many ₹2 coins do you have?
  6. 6.In 2 years a boy will be 11 years old. How old was he 5 years ago?
  7. 7.You have 11 coins. Each coin is ₹1 or ₹2, and together they make ₹14. How many ₹2 coins do you have?
  8. 8.A father is 38 years old and his son is 8. How old was the father when the son was born?
  9. 9.A father is 35 years old and his son is 5. How old was the father when the son was born?
  10. 10.A girl is 9 years old and her brother is 2 years older. How old will her brother be in 3 years?
  11. 11.A girl is 12 years old and her brother is 4 years older. How old will her brother be in 7 years?
  12. 12.You have 15 coins. Each coin is ₹1 or ₹2, and together they make ₹25. How many ₹2 coins do you have?
  13. 13.A girl is 7 years old and her brother is 2 years older. How old will her brother be in 5 years?
  14. 14.A father is 43 years old and his son is 11. How old was the father when the son was born?
  15. 15.A piggy bank has 6 coins of ₹5 and 2 coins of ₹2. How many rupees are in it?
  16. 16.A girl is 5 years old and her brother is 4 years older. How old will her brother be in 8 years?
  17. 17.In 6 years a boy will be 20 years old. How old was he 7 years ago?
  18. 18.In 5 years a boy will be 18 years old. How old was he 3 years ago?
  19. 19.A girl is 11 years old and her brother is 2 years older. How old will her brother be in 2 years?
  20. 20.A girl is 7 years old and her brother is 3 years older. How old will her brother be in 2 years?
  21. 21.You have 14 coins. Each coin is ₹1 or ₹2, and together they make ₹19. How many ₹2 coins do you have?
  22. 22.A girl is 12 years old and her brother is 4 years older. How old will her brother be in 6 years?
  23. 23.In 2 years a boy will be 10 years old. How old was he 6 years ago?
  24. 24.In 5 years a boy will be 17 years old. How old was he 2 years ago?
  25. 25.A girl is 6 years old and her brother is 3 years older. How old will her brother be in 6 years?
  26. 26.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹15. How many ₹2 coins do you have?
  27. 27.A girl is 6 years old and her brother is 5 years older. How old will her brother be in 2 years?
  28. 28.The ages of two twins add up to 12. How old is each twin?
  29. 29.A piggy bank has 3 coins of ₹5 and 11 coins of ₹2. How many rupees are in it?
  30. 30.The ages of two twins add up to 26. How old is each twin?
  31. 31.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹9. How many ₹2 coins do you have?
  32. 32.A piggy bank has 9 coins of ₹5 and 4 coins of ₹2. How many rupees are in it?
  33. 33.The ages of two twins add up to 22. How old is each twin?
  34. 34.A girl is 5 years old and her brother is 6 years older. How old will her brother be in 4 years?
  35. 35.A piggy bank has 11 coins of ₹5 and 7 coins of ₹2. How many rupees are in it?
  36. 36.You have 14 coins. Each coin is ₹1 or ₹2, and together they make ₹20. How many ₹2 coins do you have?
  37. 37.A piggy bank has 3 coins of ₹5 and 2 coins of ₹2. How many rupees are in it?
  38. 38.A girl is 10 years old and her brother is 4 years older. How old will her brother be in 8 years?
  39. 39.You have 6 coins. Each coin is ₹1 or ₹2, and together they make ₹7. How many ₹2 coins do you have?
  40. 40.A girl is 6 years old and her brother is 6 years older. How old will her brother be in 5 years?

Answer key

  1. 52
  2. 42
  3. 8
  4. 65
  5. 5
  6. 4
  7. 3
  8. 30
  9. 30
  10. 14
  11. 23
  12. 10
  13. 14
  14. 32
  15. 34
  16. 17
  17. 7
  18. 10
  19. 15
  20. 12
  21. 5
  22. 22
  23. 2
  24. 10
  25. 15
  26. 3
  27. 13
  28. 6
  29. 37
  30. 13
  31. 1
  32. 53
  33. 11
  34. 15
  35. 69
  36. 6
  37. 19
  38. 22
  39. 1
  40. 17

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