Level 3
A sports shop had 300 ping-pong balls for sale. Each ping-pong ball is sold at $2. At the end of each day, the number of ping-pong balls was recorded in the bar graph shown.
What fraction of the total number of ping-pong balls was left at the end of Day 3? Express your answer in its simplest form.
If the shop decided to sell every 5 ping-pong balls at $9.30 from Day 4 onwards, how much less would it collect from the sale of the ping-pong balls?
Level 3
A sports shop had 300 ping-pong balls for sale. Each ping-pong ball is sold at $2. At the end of each day, the number of ping-pong balls was recorded in the bar graph shown.
What fraction of the total number of ping-pong balls was left at the end of Day 3? Express your answer in its simplest form.
If the shop decided to sell every 5 ping-pong balls at $9.30 from Day 4 onwards, how much less would it collect from the sale of the ping-pong balls?
Level 3 PSLE
Rael, Sam and Fred had 180 stickers altogether. Rael gave 310 of his stickers to Sam and 15 of his stickers to Fred. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Sam and Fed at first?
Level 3
Rael and Ethan had some coins in the ratio of 11 : 6. Ethan and Sean had some coins in the ratio of 2 : 1. Rael sold 112 coins to Sean and ended up with half the number of coins Ethan had. How many coins did Sean have in the end?
Level 3
Andy, Bob and Charles collected game cards in the ratio of 7 : 4 : 9. After Charles gave 310 to Andy and Bob, Charles had 60 less game cards than Andy. The number of game cards that Ben had increased by 35%. How many game cards did Andy and Charles have?
Level 3
Daniel had to solve some Science questions during a 3-week school holidays. At the end of the first week, the ratio of the number of questions solved to the number of questions unsolved was 3 : 7. At the end of the second week, Daniel solved another 36 questions and the number of unsolved questions became 14 of the total number of questions. How many questions did Daniel need to solve on the third week to complete his assignment?
