Level 3
A bag consists of a number of 20-cent and 50-cent coins. There are 85% as many 20-cent coins as 50-cent coins. How much money is there in the bag if there are 30 more 50-cent coins than 20-cent coins?

Level 1
The average cost of a duck and 6 turkeys is $10.20. The average cost of each turkey is $9.90. How much does the duck cost?

Level 3
During her shopping trip, Samantha bought three different types of pens, X, Y and Z in the ratio of 4 : 2 : 5. She decided to sell them at the prices listed as shown.

Pen X: $1.20
Pen Y: $0.85
Pen Z : $0.60

Given that Samantha bought a total 451 pens, how much did Samantha collect from the sale of all the pens?

Level 3
At the school's annual band concert, 40% of the students were from upper primary and the rest were from lower primary. The entrance fee to the concert for each upper primary student and each lower primary student was $8 and $6 respectively. The total entrance fees collected for all the tickets was $5440. How many students were at the concert?

Level 1
The average of two numbers is 124 and the average of another set of two numbers is 262. Find the average of these four numbers.

Level 3
At the school's recent donation drive, for every $1 donated by a child, an adult donated twice the amount. There were 5 times as many children as adults who were at the event. There were ²₃ times as many girls as boys at the event. Given that a total amount of $1470 was collected during the event, how many girls were at the event?

Level 3
Zara baked vanilla, chocolate and red velvet macarons. There were half as many red velvet macarons as chocolate macarons and an equal number of red velvet macarons as vanilla macarons. The cost of each macaron is given as shown.

1 red velvet macaron: $1.10
1 chocolate macaron: $1.40
1 vanilla macaron: $1.20

If she collected $153 from selling all the macarons, how many chocolate macarons were there?

Level 2
A group of 50 girls and 20 boys took part in a Mathematics test. The average score of the girls was 50 points. While the average score of the boys was 64 points. What was the average score of all the students who participated in the test?

Level 2
The average height of 3 children was 1.32 m. One of the children, whose height was 1.3 m, left the group. What was the average height of the remaining children?

Level 3
A fruit vendor ordered some fruits. 35% of the fruits he ordered were apples and the rest were oranges. Each apple cost $1.20 and each orange cost 50% more than each apple. The vendor paid a total of $636.

1. Find the total cost of the apples.
2. How many oranges did he order?

Level 2
A group of 5 pupils scores an average of 83 marks in a test. When a new pupil joins the group, their average score decreases to 79 marks. How many marks does the new pupil score?

Level 2
The average height of six students is 125 cm. If the average height of five students is 120 cm, find the height of the sixth pupil.

Level 2
Seth paid $24 for an equal number of shirts and vests. Each vest cost $4.50. Each shirt cost $3 more than each vest. How many shirts did she buy?

Level 2
Brandon spent $74 on a table tennis bat and 6 ping pong balls. The table tennis bat cost $39.70 more than each ping pong ball. How much did he pay for the table tennis bat?

Level 2
The ratio of the number of girls to the number of boys is 3 : 5.
Each girl is given 4 stickers.
Each boy is given 2 stickers.
The total number of stickers is 220.

1. How many children are there?
2. How many more boys than girls are there?
3. How many more stickers are given to the girls than the boys?

Level 2
Betty paid $9 for 3 macarons and 5 pies. A pie cost thrice as much as a macaron.

1. Find the cost of a macaron in cents.
2. How much more did she pay for a pie than a macaron?

Level 2
The ratio of the number of girls to the number of boys is 3 : 5.
Each girl is given 4 stickers.
Each boy is given 2 stickers.
The total number of children is 80.

1. How many stickers are given to the children?
2. How many less girls than boys are there?
3. How many less stickers are given to the boys than the girls?

Level 2
Mr Seetoh paid a total of $20 for one adult and two child tickets. If a child ticket was ³₄ of the price of an adult ticket, what was the price of an adult ticket?

Level 3
At a school carnival, each boy received 3 packets of sweets and each girl received 4 packets of sweets. Each accompanying adult received 2 packets of sweets. ²₇ of the people at the school carnival were adults. The ratio of the number of boys to the number of girls at the carnival was 5 : 8. Given that only 6601 packets of sweets were given away, how many people were there at the carnival?

Level 3
In a supermarket, 65% of the number of vegetables sold were carrots and the rest were potatoes. Each carrot cost 50¢ and each potato cost 10¢ less than the cost of each carrot. Given that $195.30 was collected from the sale of the fruits,

1. how many carrot were sold?
2. how much was collected from the sale of the potatoes only?