Question

이
5
5
10 litres of milk contains 8% water. Wha
quantity of pure milk should be added
this mixture to reduce this to 4% water?
(1) 6 litres (2) 8 litres
(3) 10 litres
(4) 15 litres
of sin A-cos A
then the volue​

Answer 1

Answer:

10 litres

Step-by-step explanation:

Given,

Original quantity of mixture = 10 litres,

Water = 8 %,

⇒ Milk = 100% - 8% = 92%,

Thus, the amount of water = 8% of 10 = 0.8 litres,

And amount of milk = 92% of 10 = 9.2 litres,

Let x be the pure milk mixed in the original mixture,

So, resultant mixture = (10 + x) litres,

In which water = 0.8 litres,

Since, resultant mixture has 4% of water,

That is,

Hence, 10 litres of pure milk should be added.

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