Maths / Direct and Inverse Variation / Direct Variation

QUESTION
 

A motor bike travels 420 km on 20 litres of petrol. How far would it travel on 9 liters of petrol?

OPTIONS
A. 

189 litres

B. 

210 litres

C. 

154 litres

D. 

162 litres

Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

large frac{420}{20}=frac{x}{9}

large x=frac{420times 9}{20}=189

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