Question

A pot contains 81l of pure milk, 1/3 of the milk is replaced by the same amount of water. again 1/3 of the mixture is replaced by that amount of water. the ratio of the milk and water in the new mixture is.?

Answer 1

45 litre of water : 36 litre of milk
15 : 12
5 : 4

Answer 2

the ratio of the milk and water in the new mixture is 5/4