Age and Coin Puzzles Worksheet
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.The ages of two twins add up to 12. How old is each twin?
- 2.In 4 years a boy will be 16 years old. How old was he 2 years ago?
- 3.The ages of two twins add up to 10. How old is each twin?
- 4.You have 6 coins. Each coin is ₹1 or ₹2, and together they make ₹10. How many ₹2 coins do you have?
- 5.A piggy bank has 11 coins of ₹5 and 10 coins of ₹2. How many rupees are in it?
- 6.The ages of two twins add up to 28. How old is each twin?
- 7.In 3 years a boy will be 17 years old. How old was he 5 years ago?
- 8.You have 10 coins. Each coin is ₹1 or ₹2, and together they make ₹16. How many ₹2 coins do you have?
- 9.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹16. How many ₹2 coins do you have?
- 10.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹23. How many ₹2 coins do you have?
- 11.A piggy bank has 5 coins of ₹5 and 8 coins of ₹2. How many rupees are in it?
- 12.You have 15 coins. Each coin is ₹1 or ₹2, and together they make ₹20. How many ₹2 coins do you have?
- 13.The ages of two twins add up to 22. How old is each twin?
- 14.A girl is 10 years old and her brother is 6 years older. How old will her brother be in 9 years?
- 15.You have 7 coins. Each coin is ₹1 or ₹2, and together they make ₹12. How many ₹2 coins do you have?
- 16.A piggy bank has 9 coins of ₹5 and 12 coins of ₹2. How many rupees are in it?
- 17.A father is 37 years old and his son is 11. How old was the father when the son was born?
- 18.A father is 39 years old and his son is 12. How old was the father when the son was born?
- 19.A father is 30 years old and his son is 12. How old was the father when the son was born?
- 20.The ages of two twins add up to 14. How old is each twin?
- 21.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹21. How many ₹2 coins do you have?
- 22.A girl is 8 years old and her brother is 2 years older. How old will her brother be in 8 years?
- 23.The ages of two twins add up to 8. How old is each twin?
- 24.The ages of two twins add up to 16. How old is each twin?
- 25.A girl is 10 years old and her brother is 4 years older. How old will her brother be in 8 years?
- 26.A father is 36 years old and his son is 14. How old was the father when the son was born?
- 27.You have 9 coins. Each coin is ₹1 or ₹2, and together they make ₹12. How many ₹2 coins do you have?
- 28.A piggy bank has 6 coins of ₹5 and 4 coins of ₹2. How many rupees are in it?
- 29.A father is 34 years old and his son is 10. How old was the father when the son was born?
- 30.The ages of two twins add up to 20. How old is each twin?
- 31.A piggy bank has 2 coins of ₹5 and 4 coins of ₹2. How many rupees are in it?
- 32.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹15. How many ₹2 coins do you have?
- 33.You have 10 coins. Each coin is ₹1 or ₹2, and together they make ₹11. How many ₹2 coins do you have?
- 34.A piggy bank has 10 coins of ₹5 and 13 coins of ₹2. How many rupees are in it?
- 35.In 6 years a boy will be 14 years old. How old was he 5 years ago?
- 36.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹18. How many ₹2 coins do you have?
- 37.In 4 years a boy will be 18 years old. How old was he 2 years ago?
- 38.In 6 years a boy will be 20 years old. How old was he 2 years ago?
- 39.A father is 38 years old and his son is 12. How old was the father when the son was born?
- 40.You have 14 coins. Each coin is ₹1 or ₹2, and together they make ₹17. How many ₹2 coins do you have?
Answer key
- 6
- 10
- 5
- 4
- 75
- 14
- 9
- 6
- 3
- 10
- 41
- 5
- 11
- 25
- 5
- 69
- 26
- 27
- 18
- 7
- 9
- 18
- 4
- 8
- 22
- 22
- 3
- 38
- 24
- 10
- 18
- 3
- 1
- 76
- 3
- 5
- 12
- 12
- 26
- 3
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