Level 3 PSLE
At first, Leah had a total of 66 blue and purple balloons. 17 purple balloons burst. She then increased the number of blue balloons by 75%. After that, Leah had a total of 79 balloons. How many purple balloons did she have at first?
3 m
Level 3
Annie had 23 as many stamps as Becky. The sum of the number of stamps Annie and Becky had was the same as the number of stamps that Callie had. After trading, Callie gave 20% of her stamps to Annie and received 25% of Becky's stamps. If Becky wanted to increase her number of stamps in the end by 25%, find the ratio of her number of stamps to the sum of Annie's and Callie's stamps in the end.
4 m
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is increased by 20% to 60.
The number of red stickers is increased by 30% to 65.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is decreased by 20% to 160.
The number of red stickers is decreased by 30% to 70.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Level 3
Fabian, Gilbert and Henry had some marbles in the ratio of 2 : 3 : 5. Henry gave 40% of his marbles to Fabian and Gilbert. As a result, Fabian had the same number of marbles as Gilbert and Henry had 36 fewer marbles than Fabian.
  1. What was the percentage increase in Fabian's marbles after receiving from Henry?
  2. How many marbles did Gilbert have at first?
4 m