Question

In what ratio must water be mixed with milk to gain 40% by selling the mixture at cost price?​

Answer 1

Answer:

Let Cost Price(C.P) of milk be Rs. 1 per litre. Then, Selling Price(S.P) of 1 litre of mixture = Rs. 1 Gain obtained= 20% Then, C.P of 1 litre of mixture = Rs (100/120)*1 = Rs. 5/6.

Explanation:

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