Question 7
A motor cycle gives an average of 45 km per litre. If the cost of petrol is Rs. 20/litre. The amount required to complete a journey of 540 km is, (in Rupees)
Solution
The bike runs for 45 km in 1 litre of petrol
Cost of petrol = Rs. 20/litre
Thus, petrol required for covering 540 km = $$\frac{540}{45}=12$$ litres
$$\therefore$$ Amount required to complete a journey of 540 km = $$12 \times 20$$
= $$Rs.$$ $$240$$
=> Ans - (D)
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