There are 24 girls and 30 boys in a class. What is the ratio of girls to boys?
Divide 40m in the ratio of 2:3.
Divide 1 hour in the ratio of 1:5.
How much is 100 increased by 9:4?
When $169 is divided in the ratio 3:4:6, what is the difference between the largest and the smallest share?
A recipe to make pasta for 5 people uses 400 g of chicken. How much chicken would be needed to serve 9 people?
The angles in a triangle are in the ratio of 1: 2: 3. What is the size of the smallest angle?
In a village, the ratio of men to women is 3:7. How many women are there if the total number of people in the village is 500?
It takes 5 people 8 hours to dig a hole. How long would it take 4 people to dig the same hole?
If a map is on a scale of 1:10,000, what distance on the map represents 1 km?
On a school trip, 3 teachers are required to supervise 18 children. How many teachers are required to supervise 24 children?
A drink is made by pouring 1 part of squash to 7 parts of water.  If there is a total of 720 ml, how much of it is squash?
A car uses 10 litres of petrol in 75 km. How far it will go on 8 litres?
A wheel turns through 90 revolutions per minute. How many degrees does it turn through in 1 second?
A floor is covered by 1600 tiles measuring 10 cm square. How many square tiles of side 4cm would be needed to cover the same floor?