Level 3 PSLE
Ann had some identitical cuboids with square base and height, h. She then stacked the cuboid to form the 2 towers. The figure shows the front view and the side views of the 2 towers.
  1. Find h.
  2. Find the volume of the cuboid.
4 m
Level 3
Liam had 57 as many 20-cent coins as 1-dollar coins in his piggy bank. Each time, four 20-cent coins and six 1-dollar coins were taken out from the piggy bank. In the end, only seven 20-cent coins and four 1-dollar coins were left in the piggy bank. How many more 1-dollar coins than 20-cent coins were there in the piggy bank at first?
4 m
Level 3
Aunt Tina baked 50 less cookies than muffins. After she gave 35 of the muffins and 0.7 of the cookies to Cathy, she was left with 88 fewer cookies than muffins. How many muffins did she bake?
4 m
Level 3
Lisa had 740 more candies than Anna. Lisa used 56 of her candies and Anna used 12 of her candies. In the end, Lisa had 2 times as much as Anna. Find the number of candies Anna had at first.
4 m
Level 3 PSLE
The students of a test are divided equally into two groups. In the first group, there are 30 more boys than girls. In the second group, there are 12 more girls than boys. 40% of all the students are girls. How many students are boys?
4 m
Level 3
Bryan's money was 335 times his sister's money. After his mother gave him $44 and his sister $122, Bryan then had twice as much money as his sister. How much money did Bryan have at first?
4 m
Level 3 PSLE
Ruth bought some lollipops and gave half of it to Asher. Asher bought some sweets and gave half of it to Ruth. Ruth ate 17 sweets and Asher ate 31 lollipops. The ratio of Ruth's sweets to lollipops became 1 : 5 and the ratio of Asher's sweets to lollipops became 1 : 3. How many sweets did Asher buy?
4 m
Level 3
Ken has 30% more stamps than Vincent. Tim has 80% the number of stamps Ken has.
  1. What is the ratio of the number of Vincent's stamps to the number of Tim's stamps?
  2. If the total number of stamps of Ken's and Tim's is 150 more than Vincent's, how many stamps does Ken have?
4 m
Level 3 PSLE
Six identical rectangular boxes can be stacked into a cupboard 0.9 m wide. Two arrangements are shown. The first arrangement in Figure A leaves a 42 cm gap at the top. The second one in Figure B leaves a 10 cm gap at the top and another gap at the side.
  1. In the arrangement shown in Figure B, what is the width of the gap at the side in m?
  2. What is the height of the cupboard in metres?
3 m
Level 3
A bag had some violet erasers and yellow erasers in the ratio of 3 : 1. Queenie removed 35 violet erasers and put another 15 yellow erasers into the bag. There is now 50% as many violet erasers as yellow erasers in the bag. How many violet erasers were in the bag at first?
4 m