Level 3
Olivia has 60% as many erasers as Penny. Penny has 180% as many erasers as Kate. If Penny gives 30 erasers to Kate, both will then have an equal number of erasers. Find the average number of erasers the three of them have.
3 m
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?
2 m
TRY FOR FREE
Level 3 PSLE
At first, a bag contained 9 green beads and some black beads. After some green beads were added, 25 of the beads were black . After 56 red beads were added to the bag and now, 29 of the beads were black. What was the number of green beads added?
2 m
Level 3
Queenie and Violet collect pens. Queenie gave 50% of her pens to Violet and as a result, Violet's pens increased by 40%. If Queenie has 84 pens left, find the number of pens Violet must give to Queenie in the end so that they have equal number of pens.
3 m
Level 2
Vincent had 710 as many stamps as Isabelle. After Vincent bought another 30 stamps, he had 15 less stamps than Isabelle. How many stamps did Vincent have at first?
2 m
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.
2 m
Level 3 PSLE
Linda had a collection of stamps from South Africa, Finland and Jamaica. She had 124 stamps from South Africa. 30% of her stamps were from Finland. She had 12 fewer stamps from Jamaica than from Finland.
  1. What was the total number of stamps in Linda's collection?
  2. Linda's aunt gave her some stamps from Finland. Her total collection increased by 25%. What percentage of her collection was from Finland after that?
3 m
Level 3
There were some pencils in Box A and Box B. After Carl transferred 34 of the pencils from Box A to Box B, the ratio of the number of pencils in Box A to that in Box B changed to 2 : 9. Find the ratio of the numbers of pencils in Box A to the number of pencils in Box B at first.
3 m
Level 3
Vincent always saves 30% of his monthly salary. His salary for December was 40% less than that for November. His savings for December decreased by $138 as a result. What was his salary in November?
3 m
Level 3
Jolene and Katie shared some necklaces. Jolene's share was 45% of Katie's share. She then increased her share of the necklaces by taking 20% of Katie's share. Given that Jolene had 18 fewer necklaces than Katie in the end, how many necklaces did the girls have altogether?
3 m
Level 2
Jack had 25 the number of stamps David had at first. After David gave Jack 45 of his stamps, Jack had 35 the number of stamps David had. How many stamps did Jack have at first?
2 m
Level 3
This figure is not drawn to scale. It is made up of 3 squares. The ratio of the area of the smallest square to the largest square is 2 : 9 while the shaded area is 37 of the unshaded area. What is the ratio of the shaded area to the area of the smallest square?
3 m
Level 3
Diana baked curry, sardine and chicken buns. She baked 60 curry buns. 20% of her buns were chicken. She baked 12 more sardine buns than chicken buns. How many curry buns and sardine buns did Diana bake altogether?
3 m
Level 2
Zoe paid a total of $72 for an eraser, a ruler and a pen. The eraser cost 27 of the total cost of the ruler and the pen. The pen cost 15 of the total cost of the eraser and the ruler. Find the total cost of the pen and the eraser.
2 m
Level 3
At first, Beaker A and Beaker B contained 0.6 ℓ and 1.6 ℓ of water respectively. Some water from Beaker B was poured into Beaker A with no water spilling over. In the end, there was as much water in Beaker A as in Beaker B. How much water was poured from Beaker B to Beaker A?
3 m
Level 3
The square is divided into 4 parts, W, X, Y and Z. W and X form 12 of the square. The area of Y is double of the area of Z, while the ratio of the area of X to the area of W is 1 : 3. What fraction of the square is the sum of the area of X and Y? Leave the answer(s) in the simplest form.
3 m
Level 3
The figure, not drawn to scale, shows a rectangle, WXYZ, which is divided in 4 parts, A, B, C, D. The ratio of the area of D to the area of C is 1 : 3. The ratio of the area of C to the area of B is 2 : 7. If the area of A is 238 cm2 , what is the area of the rectangle WXYZ?
3 m
Level 2 PSLE
Pupils in a school are put into two groups for an excursion. 25 of the pupils are in Group A and the rest in Group B. 14 of the pupils in Group A are boys. In the school, 310 of the pupils are boys. What fraction of the pupils in Group B are boys?
2 m
Level 3
Yvonne baked 140 cupcakes. 35 of the cupcakes were vanilla cupcakes. The rest were milo cupcakes. She gave an equal number of vanilla cupcakes and milo cupcakes away and had 5 times as many vanilla cupcakes as milo cupcakes left. How many cupcakes did she give away?
3 m
Level 3
The figure is made up of two squares and a triangle. The ratio of the area of Triangle X to that of Square Z is 11 : 1. The ratio of the shaded area to that of the unshaded area is 1 : 3. If the difference between areas of Triangle X and Square Y is 464 cm2, what is the area of Square Z?
3 m