PSLE
The pupils in a class are divided equally into Team A and Team B. The ratio of the number of boys to the number of girls in Team A is 2 : 1 and in Team B it is 4: 11. What is the ratio of the number of boys to the number of girls in a class?
2 m
Anna had $20 more than Betty at first. After Anna and Betty spent an equal amount of money, Betty had 35 as much as Anna. How much money did Anna have left? 2 m The figure shows two containers, Tank 1 and Tank 2. They each have the same amount of water but with different objects placed in them. The total volumes in Tank A and Tank B are 170 mℓ and 280 mℓ respectively. Find the volume of the water in each container. 2 m The ratio of Tim's money to Carl's money is 3 : 5. If Carl has$845, how much must he give to Tim so both will have the equal amount of money?
2 m
Olivia and Fiona shared a box of chocolates. Olivia had 72% of the total chocolates. if Olivia gave 66 of her chocolates to Fiona, both would have the same number of chocolates. How many chocolates did Olivia have?
2 m
May and Dora had $n altogether. After May gave$12 to Dora, each of them had the same amount of money. How much did Dora have at first?
2 m
Fill in the blanks in units (Eg 3 u) or unit equations (Eg 1 u + 2).

Adam and Bryan has some stickers.
When Bryan uses 13 of his stickers and
they have the same number of stickers each.

Let the number of stickers that Bryan has in the end be 2 u.
1. Number of stickers that Adam has in the end = _____
2. Number of stickers that Bryan has at first = _____
3. Number of stickers that Adam has at first = _____
4. Total number of stickers that they have at first = _____
3 m
Fill in the blanks in units, decimal units or unit equations. (Eg 3 u OR 1 u + 2)
Adam, Bryan and Chris have some stickers.
After Adam's number of stickers is doubled,
Bryan's number of stickers is increased by 10 and
Chris's number of stickers is reduced by 8,
the ratio of the amount of money of Adam to Bryan to Chris becomes the same.
Let the number of stickers that Adam has in the end be 1 u.

1. Number of stickers that Adam has at first = _____
2. Number of stickers that Bryan has at first = _____
3. Number of stickers that Chris has at first = _____
4. Total number of stickers that they have at first = _____
3 m
Olivia has 60% as many erasers as Penny. Penny has 180% as many erasers as Kate. If Penny gives 30 erasers to Kate, both will then have an equal number of erasers. Find the average number of erasers the three of them have.
3 m
Last week, Fred had a total of 334 yellow and red pens. Two weeks later, he sold 23 of all the yellow pens and 82 red pens. Now he has the same number of yellow and red pens. How many pens does he have in the end?
2 m