Ratio and Proportion GCSE Maths Quiz
Test your knowledge of the Maths Topic: Ratio and Proportion, with this quiz.
This quiz consists of 15 questions, including multiple-choice and short-answer questions on the topic of Ratio and Proportion for GCSE Maths.
For multiple-choice questions, choose the correct answer. Scroll down to begin the quiz.
Questions
A recipe uses flour, sugar and butter in the ratio 3:2:1. If 240g of flour is used, how much sugar is needed?
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A car travels 300 miles in 5 hours. What is its average speed?
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A shop decreases the price of a £40 jacket by 20%. What is the new price?
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The population of a town increases by 8% each year. If the population is currently 50,000, what will it be after one year?
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The ratio of boys to girls in a school is 3:5. If there are 240 boys, how many girls are there?
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A car travels 120 miles in 3 hours. Find its speed in mph.
Speed = Distance ÷ Time
120÷3=40
Divide £360 in the ratio 2:3.
Total parts = 2 + 3 = 5
One part = 360 ÷ 5 = 72
First share = 72 × 2 = 144
Second share = 72 × 3 = 216
Final answer: £144 and £216
A worker’s salary increases from £25,000 to £27,500. Find the percentage increase.
Increase = 27,500 − 25,000 = 2,500
Percentage increase = (2,500 ÷ 25,000) × 100 = 10%
A car’s value depreciates by 15% per year. If the car is worth £20,000 now, what will it be worth after one year?
Depreciation = 20,000 × 0.15 = 3,000
New value = 20,000 − 3,000 = £17,000
A metal alloy is made of copper and tin in the ratio 7:2. If there is 315g of copper, how much tin is there?
One part = 315 ÷7 = 45
Tin = 45 × 2 = 90g
A train takes 3 hours to travel 180 km. Find its average speed in km/h.
Speed = Distance ÷ Time
180 ÷ 3 = 60 km/h
A car uses 8 litres of fuel to travel 100 km. How far can it travel on 20 litres?
Fuel efficiency = 100 ÷ 8 = 12.5 km/litre
Distance for 20 litres = 12.5 × 20 = 250km
A house price increases from £180,000 to £225,000. Find the percentage increase.
Increase = 225,000 − 180,000 = 45,000
Percentage increase = (45,000 ÷ 180,000) × 100 = 25%
A map scale is 1:50,000. If two towns are 8 cm apart on the map, how far are they in real life?
Real distance = 8 × 50,000 = 400,00cm
Convert to km: 4400,000 ÷ 100,000 = 4km
A company makes £80 profit on every item sold. If they sell 150 items, what is the total profit?
Total profit = 80× 150 = £12,000
