Milk contains 5% water.What quantity of pure milk should be added to 10 litres of milk to reduce ...

Milk contains 5% water.What quantity of pure milk should be added to 10 litres of milk to reduce this 2%?

Quiz

Answer/Solution

15 litres

Steps/Work

Present Ration of MIlK TO WATER IS 95:5
Amount of Milk is 10 litres
Hence, Pure milk content is 9.5 litre
and water content is 0.5 litres
Now, we should not disturb the water content
So, 0.5 litres of water is equivalent to 2%
So 100% mixture is :(0.5/2)*100=25litre
Thus, milk should be added=25-10=15 litres of pure milk
ANSWER:A

Gain Calculator / Auto Solver

Milk contains % water. What quantity of pure milk should be added to litres of milk to reduce this %?

Calculated Answer

15

Step by Step Solution

In order to solve problem, you must evaluate (n1 * n0 / 100) / (n2 / 100) - n1.

n0 =5
n1 =10
n2 =2