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A trader marks his goods at 20% above the cost price. He sold half the stock at the marked price, one quarter at a discount of 20% on the marked price and the rest at a discount of 40% on the marked price. His total gain is (a) 2% (b) 4.5% (c) 13.5% (d) 15% |
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Answer» (a) 2% Let the C.P. of the total stock = Rs 100 Then, M.P. of the total stock = Rs 120 \(\therefore\) S.P.= \(\frac{1}{2}\) x 120 + \(\frac{1}{4}\) x \(\frac{80}{100}\) x 120 + \(\frac{1}{4}\) x \(\frac{60}{100}\) x 120 = Rs (60+24+18) = Rs 102 \(\therefore\) Total gain = Rs 102 – Rs 100 = Rs 2, i.e., 2% |
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