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.A father is 41 years old and his son is 4. How old was the father when the son was born?
- 2.A father is 32 years old and his son is 4. How old was the father when the son was born?
- 3.The ages of two twins add up to 16. How old is each twin?
- 4.A girl is 8 years old and her brother is 5 years older. How old will her brother be in 3 years?
- 5.A father is 33 years old and his son is 13. How old was the father when the son was born?
- 6.A piggy bank has 3 coins of ₹5 and 2 coins of ₹2. How many rupees are in it?
- 7.A piggy bank has 9 coins of ₹5 and 13 coins of ₹2. How many rupees are in it?
- 8.You have 5 coins. Each coin is ₹1 or ₹2, and together they make ₹6. How many ₹2 coins do you have?
- 9.A girl is 12 years old and her brother is 5 years older. How old will her brother be in 6 years?
- 10.A piggy bank has 4 coins of ₹5 and 10 coins of ₹2. How many rupees are in it?
- 11.The ages of two twins add up to 12. How old is each twin?
- 12.The ages of two twins add up to 22. How old is each twin?
- 13.A girl is 12 years old and her brother is 2 years older. How old will her brother be in 3 years?
- 14.A father is 44 years old and his son is 11. How old was the father when the son was born?
- 15.The ages of two twins add up to 8. How old is each twin?
- 16.A girl is 6 years old and her brother is 6 years older. How old will her brother be in 8 years?
- 17.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹14. How many ₹2 coins do you have?
- 18.A girl is 7 years old and her brother is 5 years older. How old will her brother be in 6 years?
- 19.In 6 years a boy will be 14 years old. How old was he 2 years ago?
- 20.In 6 years a boy will be 16 years old. How old was he 7 years ago?
- 21.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹19. How many ₹2 coins do you have?
- 22.In 6 years a boy will be 20 years old. How old was he 5 years ago?
- 23.A girl is 10 years old and her brother is 3 years older. How old will her brother be in 2 years?
- 24.The ages of two twins add up to 24. How old is each twin?
- 25.A father is 38 years old and his son is 9. How old was the father when the son was born?
- 26.In 3 years a boy will be 15 years old. How old was he 5 years ago?
- 27.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹15. How many ₹2 coins do you have?
- 28.You have 5 coins. Each coin is ₹1 or ₹2, and together they make ₹9. How many ₹2 coins do you have?
- 29.A father is 44 years old and his son is 12. How old was the father when the son was born?
- 30.A father is 35 years old and his son is 13. How old was the father when the son was born?
- 31.A girl is 8 years old and her brother is 6 years older. How old will her brother be in 6 years?
- 32.In 5 years a boy will be 13 years old. How old was he 2 years ago?
- 33.A piggy bank has 4 coins of ₹5 and 8 coins of ₹2. How many rupees are in it?
- 34.The ages of two twins add up to 18. How old is each twin?
- 35.A father is 33 years old and his son is 8. How old was the father when the son was born?
- 36.A piggy bank has 11 coins of ₹5 and 5 coins of ₹2. How many rupees are in it?
- 37.A piggy bank has 11 coins of ₹5 and 4 coins of ₹2. How many rupees are in it?
- 38.A piggy bank has 9 coins of ₹5 and 3 coins of ₹2. How many rupees are in it?
- 39.A father is 34 years old and his son is 9. How old was the father when the son was born?
- 40.A girl is 12 years old and her brother is 2 years older. How old will her brother be in 8 years?
Answer key
- 37
- 28
- 8
- 16
- 20
- 19
- 71
- 1
- 23
- 40
- 6
- 11
- 17
- 33
- 4
- 20
- 6
- 18
- 6
- 3
- 6
- 9
- 15
- 12
- 29
- 7
- 7
- 4
- 32
- 22
- 20
- 6
- 36
- 9
- 25
- 65
- 63
- 51
- 25
- 22
Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks