Ratio

In a recipe for pancakes, the ratio of the weight of flour to the weight of sugar is 4 : 1. How much sugar is needed for 120g of flour?

• 30g

• 480g

• 120g

In a recipe for pancakes, the ratio of the weight of flour to the weight of sugar is 4 : 1.Work out the weight of sugar needed for 1kg flour

• 4kg

• 250g

• 200g

A map is drawn using a scale of 1 : 500 000. On the map the distance between two towns is 21.7 cm. Work out the real distance between towns. Give your answer in kilometres.

• 10,850,000

• 108,500

• 108.5

George and Henry share some money in the ratio 7:9.

If George receives £840, work out how much money Henry gets.

• 1080

• 52.5

• 653.33

The ratio of the widths of two pictures is 6 : 9. If the width of the first picture is 1.02m, calculate the width of the second picture,

• 1.53m

• 0.068 m

• 9.18m

In a school, the ratio of the number of students to the number of computers is 1 : 2/5. If there are 100 computers in the school ,work out the number of students in the school

• 200

• 250

• 40

A machine fills 720 packets of crisps in 1 hour.

How long will the machine take to fill 1680 packets of crisps. Give your answer in hours and minutes

• 2.33 hours

• 2 hours 20 mins

• 2 hours

The exchange rate is £1 = $ 1.60.

Convert £200 to dollars

• $125

• $320

• $200

The exchange rate is £1 = $1.60.

Convert $544 to pounds

• £340

• £870.40

• £542.40

Harry and Jim share some marbles in the ratio of 3 : 5. Jim gets 24 more marbles than Harry. How many did they get altogether?

• 36

• 60

• 90