Question

if 7/2 litre of petrol costs rs. 2163/8, then find thecost of 4 litre of petrol.

Answer 1

7/2 liters of petrol = Rs. 2163/8

1 liter of petrol = 2163/8 ÷ 7/2 = 2163/8 x 2/7 = Rs 309/4

Cost of 4 liters of petrol = Rs 309/4 x 4 = Rs 309

Required cost of petrol = Rs 309

Hope This Helps You!

Answer 2

Cost of 7/2 litres of petrol = Rs. 2163/8

Cost of 1 litre of petrol = (2163/8) / (7/2)

= 2163 * 2 / 8 * 7

= Rs. 309/4

Cost of 4 litres of petrol = 4 * 309/4

= Rs. 309 Ans.