Question

Cost of 3 litres of petrol at two different bunks A and B are ₹297 and ₹288 respectively. What is the difference in the cost of 5 litres of petrol between the two bunks?

Answer 1

Cost of 3 litres of petrol at bunk A = ₹297
Cost of a litre of petrol at bunk A = ₹$\frac{297}{3}$ = ₹99
Cost of 5 litres of petrol at bunk A = ₹$99\times 5$ = ₹495

Cost of 3 litres of petrol at bunk B = ₹288
Cost of a litre of petrol at bunk B = ₹$\frac{288}{3}$ = ₹96
Cost of 5 litres of petrol at bunk B = ₹$96\times 5$ = ₹480

Difference in the cost of 5 litres of petrol between the two bunks is ₹495 - ₹480 = ₹15