← Age and coin puzzles lesson New set →

Age and Coin Puzzles Worksheet

Maths tricks trick 14: Age and coin puzzles · Set 632 · 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 girl is 11 years old and her brother is 6 years older. How old will her brother be in 6 years?
  2. 2.The ages of two twins add up to 26. How old is each twin?
  3. 3.In 6 years a boy will be 20 years old. How old was he 6 years ago?
  4. 4.A father is 43 years old and his son is 14. How old was the father when the son was born?
  5. 5.In 2 years a boy will be 15 years old. How old was he 4 years ago?
  6. 6.A father is 32 years old and his son is 5. How old was the father when the son was born?
  7. 7.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹19. How many ₹2 coins do you have?
  8. 8.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹11. How many ₹2 coins do you have?
  9. 9.You have 6 coins. Each coin is ₹1 or ₹2, and together they make ₹7. How many ₹2 coins do you have?
  10. 10.The ages of two twins add up to 28. How old is each twin?
  11. 11.In 6 years a boy will be 17 years old. How old was he 2 years ago?
  12. 12.A father is 44 years old and his son is 11. How old was the father when the son was born?
  13. 13.A piggy bank has 5 coins of ₹5 and 9 coins of ₹2. How many rupees are in it?
  14. 14.A piggy bank has 9 coins of ₹5 and 9 coins of ₹2. How many rupees are in it?
  15. 15.A father is 36 years old and his son is 5. How old was the father when the son was born?
  16. 16.A father is 35 years old and his son is 7. How old was the father when the son was born?
  17. 17.A piggy bank has 8 coins of ₹5 and 9 coins of ₹2. How many rupees are in it?
  18. 18.A girl is 12 years old and her brother is 6 years older. How old will her brother be in 8 years?
  19. 19.A father is 36 years old and his son is 14. How old was the father when the son was born?
  20. 20.In 5 years a boy will be 15 years old. How old was he 4 years ago?
  21. 21.In 2 years a boy will be 14 years old. How old was he 2 years ago?
  22. 22.In 4 years a boy will be 12 years old. How old was he 7 years ago?
  23. 23.You have 9 coins. Each coin is ₹1 or ₹2, and together they make ₹16. How many ₹2 coins do you have?
  24. 24.A piggy bank has 5 coins of ₹5 and 7 coins of ₹2. How many rupees are in it?
  25. 25.A father is 44 years old and his son is 8. How old was the father when the son was born?
  26. 26.You have 6 coins. Each coin is ₹1 or ₹2, and together they make ₹9. How many ₹2 coins do you have?
  27. 27.A piggy bank has 8 coins of ₹5 and 4 coins of ₹2. How many rupees are in it?
  28. 28.The ages of two twins add up to 16. How old is each twin?
  29. 29.The ages of two twins add up to 10. How old is each twin?
  30. 30.In 5 years a boy will be 17 years old. How old was he 2 years ago?
  31. 31.The ages of two twins add up to 20. How old is each twin?
  32. 32.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹13. How many ₹2 coins do you have?
  33. 33.A father is 38 years old and his son is 6. How old was the father when the son was born?
  34. 34.You have 5 coins. Each coin is ₹1 or ₹2, and together they make ₹9. How many ₹2 coins do you have?
  35. 35.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹9. How many ₹2 coins do you have?
  36. 36.A girl is 8 years old and her brother is 3 years older. How old will her brother be in 9 years?
  37. 37.A girl is 8 years old and her brother is 6 years older. How old will her brother be in 2 years?
  38. 38.A father is 36 years old and his son is 4. How old was the father when the son was born?
  39. 39.A father is 35 years old and his son is 4. How old was the father when the son was born?
  40. 40.In 4 years a boy will be 17 years old. How old was he 6 years ago?

Answer key

  1. 23
  2. 13
  3. 8
  4. 29
  5. 9
  6. 27
  7. 7
  8. 3
  9. 1
  10. 14
  11. 9
  12. 33
  13. 43
  14. 63
  15. 31
  16. 28
  17. 58
  18. 26
  19. 22
  20. 6
  21. 10
  22. 1
  23. 7
  24. 39
  25. 36
  26. 3
  27. 48
  28. 8
  29. 5
  30. 10
  31. 10
  32. 1
  33. 32
  34. 4
  35. 1
  36. 20
  37. 16
  38. 32
  39. 31
  40. 7

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks