On decreasing the price of T.V. sets by 30 % its sale is increased by 20 %. What is the effect on the revenue received by the shopkeeper?
Correct Answer: D. 16 % decrease Let price = Rs. 100, Sale = 100 Then Sale Value = Rs. (100 × 100) = Rs. 10000 New Sale Value = Rs. (70 × 120) = Rs. 8400 Decrease % = (1000/10000 x 100) % = 16 %
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