Level 3 PSLE
In a school canteen, chairs were arranged in rows such that there were exactly 19 chairs in each row. Mr Ong then brought 6 more chairs into the school canteen and rearranged all the chairs. There are now exactly 7 chairs in each row and 12 more rows than before. How many chairs are there in the school canteen in the end?
3 m
Level 3
Some notebooks can be arranged in exactly 15 per row. If the same number of notebooks is arranged in rows of 7 notebooks each, there will be 4 more rows and 4 notebooks left over. How many notebooks are there altogether?
3 m
Level 3
3 foreigners have the same mass as 5 locals. Each foreigner's mass is 16 kg more than each local. What is the total mass of the 5 locals in kilograms?
3 m
Level 3
At first, Randy had 160 more red beads than blue beads in a box. Each day, he took out 8 red beads and 5 blue beads from the box. After some time, he only had 20 blue beads left in the box.
  1. How many beads did Randy take out from the box altogether?
  2. How many beads did Randy have at first?
3 m
Level 3
Mrs Lin bought 5 kg of shrimp and 2 kg of beef for $96. If she brought 2 kg of shrimp and 5 kg of beef, she would have to pay $3 less. How much did 1 kg of shrimp cost?
4 m
Level 3
There are 151 marbles in a big basket and a small basket altogether. The total number of marbles in 3 big baskets and 8 small baskets is 568. How many more marbles are there in a big basket than a small basket?
4 m
Level 3
Betty spent $37.80 on an equal number of spoons and plates. If 5 spoons cost $7.20 more than 2 plates while 1 spoon cost as much as 2 plates, how many spoons and plates did she buy?
4 m
Level 3
For every good jacket that Mr Zhang sold, he earned $19. He sold defective jackets at a discount, which would cause him to lose $6 per defective jacket. In July, for every 27 jackets sold, 7 were defective. Mr Zhang earned $3042 from the jackets sold.
  1. How many less jackets sold were defective than good?
  2. How much less money did he earn because of the defective jackets?
4 m
Level 3
Henry's freight forwarding company charges $17 for every mirror delivered on time and $10 for every mirror delivered late. In the month of August, Henry freight forwarding company collected $2200. For every 17 mirrors delivered, 15 were delivered on time and 2 were delivered late.
  1. What was the total number of mirrors delivered on time?
  2. How much less money did Henry freight forwarding company collect in August due to the late delivery of the mirrors?
4 m
Level 3
Container E contains only 50-cent coins and Container F contains only 5-cent coins. There are 19 more coins in Container F than in Container E. The amount of money in Container E is $1.75 more than the amount of money in Container F. Find the total amount of money in both containers.
4 m