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Question

If car covers 16 km in x litres of petrol, and in 1 litre of petrol, it can cover x km. How much distance will it cover in 5 litres of petrol?


A

20 km

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B

22 km

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C

25 km

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D
21 km
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Solution

The correct option is A

20 km


Distance covered in 1 litre=x km

distance covered in x litres of petrol = x × Distance covered in 1 litre

= x ×x

= x2

Given, car travels 16 km in x litres of petrol

x2=16
x=4

So, distance covered by car in 1 litre = 4 km
So, in 5 litres it will cover 5 x 4 = 20 km.


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