The cost of 1 litre of petrol is ₹ $65\dfrac{3}{4}$. Find the cost of 36 litres of petrol.

Given, the cost of 1 litre of petrol = ₹ $65\dfrac{3}{4}$

The cost of 36 litres of petrol

$= ₹ 65\dfrac{3}{4} \times 36\\[1em] = ₹ \dfrac{263}{4} \times 36\\[1em] = ₹ \dfrac{263 \times 36}{4} \\[1em] = ₹ \dfrac{9468}{4} \\[1em] = ₹ 2,367$

Hence, the cost of 36 litres of petrol = ₹ 2,367.