Level 3
If Adam's income decreases 10% from $330 and then increases by another 10%, what is Adam's latest income?
3 m
Level 3
Adam has 200 red stickers, blue stickers and green stickers.
40% of the stickers are blue.
30% of the remaining stickers are red.
The rest are green stickers.
  1. How many green stickers are there?
  2. How many less red stickers than blue stickers?
3 m
Level 3
A list of 13 numbers has an average of 330. When two numbers are deleted from the list, the average of the remaining numbers is 313.
  1. What is the sum of 13 numbers?
  2. What is the bigger number between the two numbers that have been deleted given that the difference between the two numbers is 1?
3 m
Level 2
A blouse costs $4.50 more than a shirt. A skirt costs $15.20 more than the blouse. Jelly bought 5 of each item. She paid $376 for them. How much did she pay for the skirts she bought?
3 m
Level 3
Madam Lee bought a sack of rice on Monday and cooked 112 kg of rice everyday. By Sunday, she was 12 kg short of rice. On which day did she cook 35 of the rice in the sack?
3 m
Level 3
The figure shows the Triangle PQR that is divided into 4 parts a, b, c and d. The line PZ divides the triangle into 2 equal parts. The ratio of Area a to Area b is 1 : 3 and the ratio of Area b to Area c is 5 : 2. Area d is 210 cm2. What is the area of Triangle PQR?
3 m
Level 3
At a fruit stall, 280 mangoes were sold in the morning and 35 of the remaining mangoes were sold in the afternoon. As a result, the number of mangoes left became 16 of the total number of mangoes at first. Given that the mangoes were sold at $2.50 in packs of six mangoes, how much did the fruit stall receive from the sale of the mangoes in the afternoon?
4 m
Level 2
The figures show 3 different fruits, a pineapple, a bunch of bananas and 2 similar mangoes. The mass of a mango is 23 of the mass of the bunch of bananas.
  1. Find the mass of the bunch of bananas.
  2. Find the mass of the pineapple.
4 m
Level 2
Ben, Jen and Tanya have a total of $134.50. Jen has $8 more than Ben. Tanya has thrice as much money as Jen. How much money does Tanya have?
3 m
Level 2
A basket which contains 8 similar packets of sugar and 6 similar packets of salt has a mass of 6 kg 960 g. The basket alone is 480 g. Each packet of sugar has a mass of 540 g. Find the mass of each packet of salt in kg.
3 m
Level 2
Tony paid $63.80 for a hat, a shirt and a watch. The shirt cost $4.50 more than the hat. The watch cost $9.80 more than the shirt. Find the total cost of the watch and the hat.
3 m
Level 3
Mrs Goh paid a total of $4500 for a table and a television after a discount of 40%. The ratio of the original price of the table to the original price of the television was 1 : 2. Find the original price of the television before the discount.
4 m
Level 2
In the figure, XYZ is a straight line. Given that ∠s is thrice as big as ∠t, what is the value of ∠s?
3 m
Level 3
Paul had some apple macarons and apricot macarons. He gave away 160 macarons to his brother. 25% of them were apple macarons and the rest were apricot macarons. Paul gave some apple macarons to his sister. 25 of all the macarons he gave away to his brother and his sister were apple macarons.
  1. How many apricot macarons did he give his brother?
  2. How many apple macarons did he give his sister?
4 m
Level 2
In the figure, MN, PQ and RO are straight lines. ∠POR = 39°. Given that ∠RON is half as big as ∠NOQ, find ∠MOQ.
3 m
Level 2
Liping had just enough money to buy 90 notebooks of the same price. She bought only 30 notebooks for her students and had $120 left. What was the cost of one notebook?
3 m
Level 3
Wilfred saves 10% of his allowance. When his allowance was increased by 20%, his savings rose proportionately to $180. What was his original allowance?
4 m
Level 3
Wilfred saves 10% of his allowance. When his allowance was decreased by 20%, his savings decreased proportionately to $80. What was his original allowance?
4 m
Level 3
Jane gave 10% of her collection of pens to Colleen thereby increasing Colleen's collection by 25%. If Jane had 45 pens left, how many pens did Collen have at first?
4 m
Level 3
A thin wire, 132 cm long, is bent to form Figure 1 which consists of a square and a rectangle. If the wire does not overlap and the breadth of the rectangle is one third its length, what is the perimeter of the figure?
3 m