Age and Coin Puzzles Worksheet

Maths tricks trick 14: Age and coin puzzles · Set 353 · 40 questions

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.

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

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