Ratio and Proportion

Ratio and Proportion Quiz

Spec R1–R13 · AQA GCSE Maths: Quiz

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5 questions, one answer each

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1. Simplify the ratio $18:24$ .
- A. A. $3:4$
- B. B. $9:12$
- C. C. $6:8$
- D. D. $2:3$
2. Share £90 in the ratio $2:3:4$ . What is the largest share?
- A. A. £20
- B. B. £30
- C. C. £40
- D. D. £45
3. A class has 12 boys and 18 girls. What is the ratio of boys to total students, in simplest form?
- A. A. $2:3$
- B. B. $2:5$
- C. C. $12:18$
- D. D. $3:5$
4. A 500g box of cereal costs £2.50 and a 750g box costs £3.60. Which is the better buy?
- A. A. The 500g box, at £0.50 per 100g
- B. B. The 750g box, at £0.48 per 100g
- C. C. They are the same value
- D. D. Cannot be determined
5. Two similar triangles have a linear scale factor of 3. If a side on the smaller triangle is 4 cm, what is the corresponding side on the larger triangle?
- A. A. $1.33$ cm
- B. B. $7$ cm
- C. C. $12$ cm
- D. D. $9$ cm