Level 3
Adrian had 3 coins and Alex had 6 coins. Their coins consisted of 20¢ coins and 50¢ coins. When all their 50¢ coins were exchanged for 20¢ coins, they had a total of 15 coins. How many 20¢ coins did they have at first?

Level 2
A carpark has some motorbikes and cars. The ratio of the number of vehicles to the number of wheels is 8 : 23. Express the number of motorbikes as a fraction of the number of cars. Give your answer in the simplest form.

Level 2
At a club dinner, every member brought 1 or 2 guests. If the ratio of the number of members to the number of guests was 3 : 5, what fraction of the members who brought 2 guests each?

Level 3
Adam has 15 chicks and puppies.
These animals have 40 feet in all.
How many (a) chicks and (b) puppies does Adam have?

Level 3
Adam has a total of 15 chicks and puppies.
The number of puppies' legs is 12 more than the chicks' legs.
How many (a) chicks and (b) puppies does Adam have?

Level 3
Adam has a total of 15 chicks and puppies.
The number of dogs' legs is 12 less than the chicks' legs.
How many (a) chicks and (b) puppies does Adam have?

Level 3
Adam scores a total of 60 marks.
There are a total of 30 questions.
Every correct answer will earn 3 marks.
Every wrong answer will earn 0 marks.
How many questions are (a) incorrectly answered and (b) correctly answered?

Level 3
Adam scores a total of 60 marks.
There are a total of 30 questions.
Every correct answer will earn 3 marks.
Every blank or wrong answer will have 2 marks deducted.
How many questions are (a) incorrectly answered and (b) correctly answered?

Level 3
Adam scores a total of 60 marks.
There are a total of 30 questions.
Every correct answer will earn 3 marks.
Every blank answer will earn 0 mark.
Every wrong answer will have 2 marks deducted.
How many questions are (a) incorrectly answered, (b) correctly answered and (c) left blank?

Level 3
30 students share some stickers.
Each girl gets 4 stickers.
Each boy gets 5 stickers.
In total, the girls get 30 more stickers than the boys.

1. How many boys are there?
2. How many girls are there?
3. How many stickers do the boys get?
4. How many stickers do the children get?

Level 3
30 students share some stickers.
Each girl gets 4 stickers.
Each boy gets 5 stickers.
In total, the girls get 60 less stickers than the boys.

1. How many girls are there?
2. How many boys are there?
3. How many stickers do the boys get?
4. How many stickers do the students get?

Level 3 PSLE
Anna started a savings plan by putting 2 coins into a money box every day. Each coin was either a 20¢ or 50¢ coin. Her mother also put in $1 note in the box every 3 days. The total value of the savings after 156 days was $155.20.

1. How many coins were there altogether?
2. How many of the coins were 50¢ coins?

Level 3
In a contest, two people will have to answer 100 questions each. They score 1 point for each correct answer. The contest has not ended yet. Each person has already answered 90 questions. Person A has answered 60% of the first 90 questions correctly. Person B has answered 50% of the first 90 questions correctly. What is the minimum number of points that Person A must get from the last 10 questions to win the contest?

Level 3
Harrison has some 10¢ coins and 50¢ coins in his wallet. All the coins add up to $2. He has exactly 8 coins. How many 10¢ coins does he have?

Level 3
There were 11 coins which consisted of twenty cent and ten cent coins. The total value of the coins was $1.80. How many twenty cent coins were there?

Level 3
Min saved two coins every day from Monday to Sunday by putting them into a glass jar. Each coin was either a 5¢ or 20¢ coin. The total value of the coins at the end of 5 weeks was $11.00. How many of the coins were 20¢ coins?

Level 3
Jim started saving part of his pocket money by putting 2 coins in a money box every day. Each coin was either a 20¢ or 50¢ coin. His mother also put on a $1 coin in the box every 7 days. The total value of the coins after 98 days was $82.30.

1. How many coins were there altogether?
2. How many of the coins were 50¢ coins?

Level 3 PSLE
Sue baked some tarts. She gave ¹₄ of the tarts to her relatives and 70 to her friends. She was left with ²₅ of the tarts. She packed these into 10 boxes. Some boxes contained 5 tarts while the rest contained 10.

1. How many tarts were packed into the 10 boxes?
2. How many boxes contained 10 tarts?

Level 3
Bill bought a total of 11 sweets and chocolate bars. Each sweet cost 40¢. Each chocolate bar cost 60¢. He paid a total of $5.60. How many chocolate bars did he buy?

Level 3
There were a total of forty-one 20-cent coins and 50-cent coins in a bag. Given that the total amount of money in the bag was $19. How many 20-cent coins were there in the bag?