Level 3
In a school, the ratio of adults to the number of children is 12 : 7.
The ratio of the number of boys to the number of girls is 3 : 2.
There are 70 more boys than girls.
How many people are there in the school?

Level 3
Adam receives his allowance of $250.
The ratio of Adam's spending to Adam's saving is 2 : 3.
The ratio of Adam's spending on food to the remaining of other expenses is 1 : 4.

1. How much does Adam save?
2. How much less does Adam spend on food than other expenses?

Level 3
Adam receives his allowance of $250.
The ratio of Adam's spending to Adam's saving is 2 : 3.
The ratio of Adam's spending on food to the remaining expenses is 1 : 4.

1. What fraction of his allowance is spent on food?
2. What fraction of his allowance is spent on the remaining expenses?
3. How much did he spend on food?

Level 2 PSLE
Adam, Ben and Charlie shared the cost of a gift. The ratio of Adam's share to the total share of Ben and Charlie was 1 : 3. The ratio of Ben's share to the total share of Adam and Charlie was 1 : 5. Charlie's share was $100 more than Adam's share. How much did the gift cost?

Level 2
There are 264 passengers on board a ship. The ratio of children and adults is 4 : 9. There are 18 more men than women. How many men are there on the ship?

Level 3
Abby, Becca, Clara and Demi jointly contributed to the cost of a present for their friend. Abby's contribution is ²₅ of the total contribution made by the four girls. The ratio of Demi's contribution to the total of Becca's and Clara's contribution is 4 : 1. What is the total contribution by the four girls if Becca's contribution is ¹₅ of Clara's contribution and the total amount contributed by Abby and Demi is $132?

Level 3
Tabitha purchased a bottle of rose syrup to make drinks. She used ³₇ of the liquid in January. She then used the remaining syrup in February and March in the ratio 3 : 7. Given that the amount of the rose syrup used in January was 0.18 ℓ more than that used on the February, how many millilitres of rose syrup did the bottle contain at first?

Level 3
In a container, there are candies of 3 colours, yellow, white and purple. There are 108 more white candies than purple candies. The number of purple candies is ¹₂ more than the yellow candies. Given that the number of purple candies is 24% of the total number of candies in the container, how many more white candies are there than yellow candies?

Level 3
There were some red, blue and green pens in a box. ¹₉ of the pens were blue. The ratio of the number of red pens to the number of green pens was 3 : 5. There were 288 fewer blue pens than green pens.

1. Find the ratio of the number of red pens to the number of blue pens to the number of green pens in the box.
2. How many green pens were there?

Level 3
During a survey, some people responded that they preferred badminton to other sports. The ratio of the number of women to the number of men who liked badminton was 3 : 1. The ratio of the number of people who liked badminton to those who disliked it was 3 : 1. If 20% of the people who did not like badminton were women, what was the ratio of the number of men to the number of women chosen for the survey?