Ratios (AQA GCSE Maths): Quizzes

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If books and magazines are in the ratio 3:73:7, what fraction represents books compared to magazines?

37\frac{3}{7}

What is the ratio 24:3624:36 in its simplest form?

2:32:3

To simplify the ratio 1.5:2.41.5:2.4, what should you do first?

Multiply both by 10

When simplifying ratios with mixed units, which unit should you convert to?

The smaller unit

To express 3:563:56 in the form 1:n1:n, what should you divide both parts by?

3

Mortar uses sand:cement in ratio 7:27:2. With 21 buckets of sand, how much cement is needed?

6 buckets

If tabby to total cats is 3:53:5, how many are ginger cats out of every 5 cats?

2

To divide £240 in ratio 3:5:83:5:8, what is the first step?

Add up the parts

Three friends share £240 in ratio 3:5:83:5:8. How much does the person with 5 parts get?

£75

In ratios, if one part doubles, what happens to the other parts?

They also double

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