Question

the cost of 20 litres is rs 570.67 rupee. find the cost of 3 litres petrol​

Answer 1

Answer:

Given cost of 3

2

1

litre=7/2litre of petrol =Rs.270

8

3

=Rs.2163/8

Hence, the cost of one litre can be calculated as below:

Cost of one litre =Rs.(2163×2)/(8×7)

The cost of 4 litre of petrol can be calculated as below

Cost of 4 litre = Rs.(2163×2×4)/(8×7)

We get,

=Rs.309

Therefore, the cost of 4 litre of petrol is

rs: 39