Question

In what proportion water must be added to spirit to gain 20% by selling it at the cost price ?
A)

Answer 1

Let the C.P of spirit be = Rs.10 per litre

Then S.P l litre of the mixture = Rs. 11

Profit = 20%

Therefore, C.P of the mixture = Rs. [100120×10] = Rs. 25/3 per litre

Therefore, Ratio of water and spirit = 1 : 5

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