# How many kg of salt costing Rs. 28 per kg must be mixed with 39.6 kg o

| How many kg of salt costing Rs. 28 per kg must be mixed with 39.6 kg of salt costing Rs. 16 per kg, so that selling the mixture at Rs. 29.90, there is a gain of 15%?

Note: For this question, discrepancy is found in question/answer. Full Marks is being awarded to all candidates.

A. 198

B. 200

C. 160

D. 188

### Right Answer is: A

#### SOLUTION

Let the kg salt costing Rs.28/kg mixed in the mixture.

By allegation method –

kg.

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How many kg of salt costing Rs. 28 per kg must be mixed with 39.6 kg o