Question

A milkman buys milk at rs. 24 per litre. He adds 1/5 of water to it and sells the mixture at rs. 32 per litre. What will be his gain (in %)?

Answer 1

suppose there is 10 litre milk

24*10=240

1/5 th water is 2 lit is added

24*12=288

therefore

20% profit