Ratio & Proportion: Hard Test 2
15 questions · 15 minutes
Before you start
- The clock starts as soon as you press begin, and keeps running if you close the page.
- Every answer is saved as you go, so it is safe to lose signal for a moment.
- You can skip a question, flag it, and come back to it before you finish.
- Answers and explanations are shown at the end, not during the test.
No account needed. Sign up afterwards if you want to keep your results.
Example questions from this paper
A preview of the wording. The answer options and full explanations appear once you begin.
- A : B = 3 : 4 and B : C = 6 : 7. What is A : C in its simplest form?
- Two numbers are in the ratio 3 : 5. When 4 is added to each, the new ratio is 5 : 8. What is the larger of the original numbers?
- Eight pumps empty a pool in 6 hours. How many pumps would be needed to empty the same pool in 4 hours?
- £1400 is shared between three charities in the ratio 2 : 5 : 7. How much does the charity with the largest share receive?
- A recipe for 6 people uses 750 g of potatoes. How many grams of potatoes are needed for 15 people?
Before you begin, remember
- Simplify ratios exactly as you would fractions, by dividing both sides by the highest common factor.
- For best value, work out the cost of one unit for each option and compare those. Comparing packet prices directly is what the question is hoping you will do.