self Maths Puzzle

While selling a watch, a shopkeeper gives a discount of 5%. If he gives a discount of 7%, he earn Rs 15 less as profit. What is the marked price of the watch??

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self Other Question

3 root of ?? = (36*24)/9 A trader marks his goods 25% above the C.P but discounts 15% on the marked price. His gain percent in the deal is