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?
Level 3 PSLE
At first, the ratio of the number of boys to the number of girls in a club was 4 : 1. After 10 boys and 10 girls joined the club, the ratio became 3 : 1.
Did the percentage of members who were girls increase (1), decrease (2) or remain the same (3)? Give your answer in number. (Eg Increase = 1)
Level 3
Ethan and Liam had 400 marbles in total. Liam had 26 marbles more than Ethan at first. After Ethan and Liam played a game with Cathy, Ethan had 114 as many marbles as Liam. If Ethan lost as many marbles as Liam to Cathy, find the number of marbles that Ethan lost to Cathy.
Level 1 PSLE
Charles has a number of 10¢, 20¢ and 50¢ coins in the ratio 4 : 2 : 1. The total value of all the coins is $156. What is the total value of the 20¢ coins?
Level 2
There were 57 as many parents as kids on a bus. At the first bus stop, 9 parents and 9 kids boarded the bus. There were then 45 as many parents as kids. How many parents were on the bus at first?
Level 3 PSLE
Colin and Jessica bought some raisin muffins. Each of them paid $61.20. Jessica bought 6 more raisin muffins as she used a 15% discount coupon.
Level 3
At a fruit stall, there were 399 mangosteens and lemons at first. 34 of the mangosteens and 23 of the lemons were sold. In the end, there were same number of mangosteens and lemons. How many more mangosteens than lemons were sold?
Level 3
The ratio of Henry's total points to that of Vincent's in a mock test was 6 : 7. In the next mock test, Henry's points increased by 70%. By what percentage must Vincent's points be increased if their total points were to be the same? Round off the answer to the nearest whole number.
Level 2
Last week, Fred had a total of 334 yellow and red pens. Two weeks later, he sold 23 of all the yellow pens and 82 red pens. Now he has the same number of yellow and red pens. How many pens does he have in the end?
Level 3
The ratio of the number of boys to the number of girls in a class is 3 : 5. The ratio of the pupils in the class who scored distinction to those who did not score distinction is 4 : 1. The ratio of the boys who scored distinction to those who did not score distinction is 14 : 1. What is the ratio of girls who scored distinction to the girls who did not score distinction?
