Ratios Practice Questions

Write the ratio of the number of junior members to the number of senior members. Give your answer in its simplest form.

Write the ratio of the number of junior members to the number of senior members in the form $1:n$.

Express the number of senior members as a fraction of the number of junior members. Give your answer in its simplest form.

Work out the number of sweets Sian gets.

Work out how many more sweets Tom gets than Ravi.

Work out the real length of the patio. Give your answer in metres.

Work out the real width of the patio. Give your answer in metres.

Write the scale of the drawing in the form $1:n$.

Express the mass of butter as a fraction of the mass of sugar. Give your answer in its simplest form.

Work out the amount of milk needed to make a rice pudding for 10 people.

Kofi has 4 litres of milk and 750 g of pudding rice. He has plenty of sugar and butter.

Working out the greatest number of people Kofi can make rice pudding for.

On the map, the distance between two villages is 8.5 cm.

Work out the real distance between the two villages. Give your answer in kilometres.

A straight section of a canal is 12 km long.

Work out the length of this section of canal on the map. Give your answer in centimetres.

Priya and Quinn each invest some money in a business. The amount Priya invests and the amount Quinn invests are in the ratio $7:4$

Priya invests £8400 more than Quinn.

Work out the total amount of money invested in the business.

Write down the ratio of the number of left-handed players to the number of right-handed players.

Work out the total number of players in the club.

Fran needs 63 litres of Harbour paint.

Work out how many litres of blue paint she needs.

Gus has 12 litres of blue paint and 20 litres of white paint.

Work out the greatest amount of Harbour paint that Gus can mix. Give your answer in litres.

Alloy P is made from copper and zinc only. In alloy P, the mass of copper and the mass of zinc are in the ratio $7:5$

Alloy Q is made from copper and zinc only. In alloy Q, the mass of copper and the mass of zinc are in the ratio $1:2$

36 kg of alloy P is melted together with 27 kg of alloy Q to make a new alloy, R.

Work out the ratio of the mass of copper to the mass of zinc in alloy R. Give your answer in its simplest form.

Two years ago, the ratio of Amy's age to Ben's age was $4:1$

In three years' time, the ratio of Amy's age to Ben's age will be $7:3$

Find the ratio of Amy's age now to Ben's age now. Give your answer in its simplest form.