Question

hello cool people,

chapter:direct and inverse proportion

a truck covers a distance of 510km in 34 litres of diesel.how much distance would it cover in20 litres of diesel?

(read the question , answer them carefully)

Answer 1

34 litres of diesel = 510 km
1 litres = (?)
1×510÷34
510÷34
15 km

Therefore a truck travel 15 km in 1 litre .

1 litre of diesel = 15 km
20 litre = (?)
20×15÷1
300 km

Therefore a truck travel 300 km with 15 litre of diesel.

Hope it helps you.

Answer 2

hey friend,

distance. =. 510. x

litres of petrol = 34litres. 20 litres

cross multiplication

x*34 = 20*510
x=20*510/34
x=10*510/17
x=5100/7
x=300

hence, 300km is ans