Numeracy · Guided Practice
Ratio and Proportion
10 questions with answers and video solutions. Try each one before revealing the answer.
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Calculate the cost of pens.
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Calculate the mass of rice needed for people.
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A batch uses kg of gravel.
Calculate the total mass of the batch.
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Calculate how long it would take pumps working at the same rate.
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Ali, Kate and Jim are paid to deliver leaflets advertising a new restaurant.
They shared the money they were paid in a ratio of 3:5:7.
Jim received £154.
Calculate how much the restaurant paid, in total, to deliver the leaflets.
Answer
£330
Mary gave some money to four of her nieces.
It was shared in proportion to their ages.
| Name | Age |
|---|---|
| Jane | 4 |
| Heather | 11 |
| Laura | 9 |
| Kate | 6 |
Kate's share is £1950.
Calculate the total amount Mary gifted her nieces.
Answer
£9750
Geoffrey shared his savings between his three children, Sophie, Ed and Lucy.
The money was shared in the ratio 7:2:6.
Sophie received £3304.
Calculate how much money Geoffrey gave his three children in total.
Answer
£7080
A farm has 3 different types of animal.
It has sheep, pigs and cows in the ratio 9:7:4 respectively. There are 180 more sheep than there are cows.
Calculate the total number of animals on the farm.
Answer
720