Question 24

A mixture of 12 kg of wheat flour costing Rs.16 per kg and 4 kg of corn flour costing Rs. 2 per kg is sold at Rs.16 per kg. What is the profit made in selling 40 kg of the mixture ?

Solution

The cost price of the mixture per kg = $$\ \frac{\ 12\times\ 16+4\times\ 2}{12+4}$$

= Rs. 12.5

Selling price of the mixture per kg = Rs 16

Profit made on selling 1 kg of mixture = 16-12.5=Rs. 3.5

Profit made o selling 40 kg of mixture = 40*3.5=Rs. 140

A is the correct answer.

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