To gain 10% on selling a sample of milk at the cost price of pure milk the quantity of water to be mixed with 50 kg of pure milk is

To gain 10% on selling a sample of milk at the cost price of pure milk the quantity of water to be mixed with 50 kg of pure milk is

Explanation

Total pure milk = 50 kg

To gain 10% on selling sample milk at the price of pure milk, have to mix 10% of pure milk into the milk.

10% of  50 = 5 kg

ND06-08-2023