Question
A watch was sold with a 20% profit. The marked price of
the watch over its cost price is Rs. 960. If the ratio of profit earned to discount offered is 1:2, what is the selling price of the watch?Solution
ATQ, Let, the cost price of the Watch be Rs. '5p'. So, the selling price of the watch = 1.2 × 5p = Rs. '6p' Profit earned = 6p - 5p= Rs. 'p' Discount offered = Rs. (960 - 6p) ATQ, (p/(960-6p))= 1/2 Or, 2p = 960 - 6p Or, 8p = 960 So, p = (960/8) = 120 So, the selling price of the watch = 6p = 6 × 120 = Rs.720
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