Ratio, Proportion and Rates — Questions

IGCSE Mathematics (0580) practice questions. Work through each question before checking the solutions page.

Question 1

[3](a)Share $360 between three people in the ratio 2:3:4.

Question 2

[2](a)A car travels 150 km in 2.5 hours. Calculate its average speed in km/h.

Question 3

[2](a)A recipe for 4 people needs 300 g of flour. Calculate how much flour is needed for 7 people.

Question 4

[2](a)Share $240 between two people in the ratio 3:5.

Question 5

[2](a)A map has scale 1:20 000. Calculate the real distance, in metres, represented by 5 cm on the map.

Question 6

[2](a)A car travels 240 km in 3 hours. Calculate its average speed.

Question 7

[2](a)A mixture of paint uses blue and white in the ratio 2:7. Calculate how much blue paint is needed for 3.6 litres of white paint.

Question 8

[2](a)Simplify the ratio 45:60 to its simplest form.

Question 9

[2](a)A recipe for 6 people uses 450 g of rice. Calculate how much rice is needed for 10 people.

Question 10

[2](a)Share 400 sweets between two classes in the ratio 3:7.

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