Two lots of oranges of equal quantity, one costing Rs. 20 per dozen and the other costing Rs. 30 per dozen, are mixed together and the whole lot is sold at Rs. 24 per dozen. Find the profit or loss in percentage.

A5.2% profit

B4% loss ✓ Correct

C4% profit

D5.2% loss

Correct answer: (B) 4% loss

Explanation

The transaction gives a 4% loss.

Equal quantities cost Rs. 20 and Rs. 30 per dozen.

Average cost = (20 + 30)/2 = Rs. 25 per dozen.

Selling price = Rs. 24 per dozen, which is below cost.

Loss = 25 - 24 = Rs. 1 per dozen.

Loss % = (1/25) x 100 = 4%.

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