Question
Jeetu purchased an article at some price and sold it at
profit of 10%, he had purchased it at 15% more and sold it at a profit of 20%, then the selling price is Rs.420 more than the original selling price. What will be the original Cost price?Solution
ATQ, we can say that Let CP be = 100x Then SP will be = 110x Then new CP will be = 115 Then new SP will be = 138x Now, the difference in SP will be (new SP – old SP) = 138x – 110x = 28x Hence, the original CP will be = (420/28) x 100 = = Rs.1500
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