Question

the cost of 1 litre petrol is rupees 42 whole 3 upon 7 .what is the cost of 10 whole 1 upon 2 litre of petrol

Answer 1

Hey.

Here is the answer.

As cost of 1L = Rs. 42*3/7

so, cost of 10*1/2 = 42*3/7 × 10*1/2

= 297/7 × 21/2

= 6263/14

= Rs. 445*1/2

or, Rs. 445.5

Thanks.