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
In the figure, a fish tank measuring 52 cm by 25 cm by 48 cm contained 2720 mℓ of water. Serene then turned on a tap that flows at a rate of 4.32 ℓ per minute. How long does it take for the tank to be 23 filled with water? Express your answer in min.
Level 3
In the figure, a fish tank measuring 52 cm by 25 cm by 48 cm contained 2720 mℓ of water. Serene then turned on a tap that flows at a rate of 4.32 ℓ per minute. How long does it take for the tank to be 23 filled with water? Express your answer in min.
Level 3
A rectangular tank measuring 50 cm by 25 cm by 19 cm was 12 filled with water. There was a leak at the bottom of the tank and water seeped out at the rate of 5 m? per second. How many minutes would it take to empty the tank completely? Leave your answer correct to 1 decimal place.
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?
Level 2
45% of Julia's allowance is equal to 8313% of Leonard's allowance. If Julia's allowance is $92 more than Leonard's, find their combined allowances.
Level 3
Adam receives his allowance of $250.
The ratio of Adam's spending to Adam's saving is 2 : 3.
The ratio of Adam's spending on food to the remaining expenses is 1 : 4.
What fraction of his allowance is spent on food?
What fraction of his allowance is spent on the remaining expenses?
Level 3
Marissa bought a plant that was 5 cm tall. Every morning, she measured the height of the plant and recorded its height for the day. The line graph shows her records.
What was the height of the plant when it was measured on Day 3?
Between which two days was the increase in the height of the plant the greatest? Give the answer in numbers. (Eg 1, 2)
In Day 6, the height of the plant dropped to 35 of Day 4. What is the height of the plant on Day 6?
Level 3
Marissa bought a plant that was 5 cm tall. Every morning, she measured the height of the plant and recorded its height for the day. The line graph shows her records.
What was the height of the plant when it was measured on Day 3?
Between which two days was the increase in the height of the plant the greatest? Give the answer in numbers. (Eg 1, 2)
In Day 6, the height of the plant dropped to 35 of Day 4. What is the height of the plant on Day 6?
Level 3 PSLE The number of boys and girls taking part in a quiz are in the ratio 4 : 7. These students are put into two groups. 60% of the boys and 30% of the girls are in Group 1. The rest of the students are in Group 2.
What is the ratio of the number of students in Group 2 to Group 1? Give your answer in the simplest form.
The number of boys in Group 2 is fewer than 50. What is the largest possible total number of students taking part in the quiz?
Level 2
Natalie gave 13 of her stamps to her mother and 12 of her stamps to her father. She used 14 of the remaining stamps. What fraction of her stamps was left?
Level 2
Kenny had $63. He spent 17 of the money on a pen. He then spent 23 of his remaining money on a pencil case. How much did he spend on the pencil case?
Level 2
Mrs Tan had 10 ℓ of orange juice. She used 12 of the orange juice for a picnic and 25 of the remaining orange juice to bake orange-flavoured cookies. How much orange juice did she have left? Give your answer in litres.
Level 3 PSLE
Mr Wong used 38 of his money to buy 8 apples and 12 peaches. The cost of 4 apples was the same as that of 2 peaches. What was the most number of peaches that Mr Wong could buy with the money he had left?
Level 2
Anna's money is 34 of Samantha's money. Samantha gives 12 of her money to Anna. Express Anna's money as a fraction of Samantha's money after Anna received the money from Samantha. (Give your answer as a mixed number.)
