Question

The ratio of acid and water in 45 litre solution of acid and water is 5:4 in the solution 15 litre of water is added now in144 ml of the resulting solution 52 ml acid is mixed

Answer 1

Explanation:

Quantity of milk in 45 litres of mixture

5

4

×45litres=36litres

∴ Quantity of water in the mixture =9 litres

Let x litres of water be added to the mixture.

Then,

9+x

36

=

2

3

⇒72=27+3x⇒3x=45⇒x=15litres.