Question
An article is sold at 15 (1/2) % profit. If its C.P. is
increased by Rs. 40 and at the same time if its SP is also increased by Rs. 30, then % of profit becomes 8 %. Find the C.P. (in approx.)ÂSolution
Let cp = 100x CP                 SP 100x          115.5x 100x + 40     115.5x + 30 8 = [15.5x - 10/100x + 40] × 100 = Rs 1.76
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