Question

cost of 3 litres of oil cost 83 rupees. find cost of 1 litre

Answer 1

Cost of 1 litre of oil would be :-

83 / 3
= 27.67 rupees

Answer 2

as cost of 3 litre of oil is 83

then 

the cost of 1 litre of oil will be 83/3

cost of 1 litre of oil will be 27.66