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A trader mixes two varieties of salt, vi...

A trader mixes two varieties of salt, viz. A and B. The cost price of A was Rs 28 per kg and of B was Rs 21 per kg. If he mixes these two varities in the ratio `2:5` , at what price per kg should he sell the mixture to make an profit of `5%` ?

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The correct Answer is:
Rs 24.15 per kg
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