Question

The cost of 1/4 litre of milk is rs4.How much would 6 and a half litre of milk cost?

Answer 1

the cost of 1/4 litre of milk = 4 RS

the cost of 1 litre of milk = 16 RS

so the cost of 6 and 1/2 litre of milk =

16 × 13÷2

104 RS