WorksheetsRatio-unitary method
Total questions: 10
Worksheet time: 26mins
A lorry uses 80 litres of fuel on a trip of 280 kilometres.
How much fuel would the same lorry use on a trip of 196 kilometres?
114 litres
56 litres
686 litres
It takes a photocopier 16 seconds to produce 12 copies.
How long will it take to produce 30 copies?
22.5 seconds
40 seconds
50 seconds
Chairs in a hall are arranged in 35 rows of 18. How many rows would there be with 21 chairs in a row?
4.8 rows
40 rows
30 rows
It takes 16 hours for three bricklayers to build a wall.
Calculate how long it would take for eight bricklayers to build a similar wall.
8 hours
2 hours
6 hours
On a 268 km journey, a car uses 22.8 litres of fuel.
By writing these numbers to 1 significant figure, estimate the distance travelled using one litre of fuel.
12 kilometres
15 kilometres
20 kilometres
An athlete runs 1500 metres in 4 minutes. Calculate her average speed in kilometres per hour.
375 kilometres per hour
22.5 kilometres per hour
0.00625 kilometres per hour
How many students per class?
