A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this car?

Solution:

Distance Covered by Car Litres of Petrol required

225 km 25 litres

540 km x = ?

Since it takes 25 litres to cover a distance of 225 km, it will take more litres of petrol to cover 540 km which is a direct variation. It is calculated as:

x = 25 × (540/225)

x = 540/9

x = 60 litres of petrol

✦ Try This: A car travels a distance of 625 km in 50 litres of petrol. How many litres of petrol will be required to cover a distance of 1225 kilometres by this car?

Distance Covered by Car Litres of Petrol required

625 km 50 litres

1225 km x = ?

Since it takes 50 litres to cover a distance of 625 km, it will take more litres of petrol to cover 1225 km which is calculated as:

x = 50 × (1225/625)

x = 50 × (49/25)

x = 98 litres of petrol

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 13

NCERT Exemplar Class 8 Maths Chapter 10 Problem 76

A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this car

Summary:

A car travels a distance of 225 km in 25 litres of petrol. 60 litres of petrol will be required to cover a distance of 540 kilometres by this car

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