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A shopkeeper sold a wrist watch for rs 990 gaining 1 by 8 of its cost price. Find the cost price of the wrist watch and his profit percentage |
| Answer» SELLING price of wrist watch = ₹ 990Gaining 1/8 of its cost price.To FIND :- (i) Cost Price of wrist watch.(ii) Profit percent of wrist watch.Let the cost price of wrist watch be xA/q=> x + 1/8 of x = 990=> x + 0.125 × x = 990=> 1.125x = 990=> x = 990/1.125 = 880Therefore, Cost price of watch = ₹ 880And Profit = 1/8 of x = 1/8 × 880 = ₹ 110Now,Find the profit percent of wrist watch :-Profit % = (profit × 100)/C.P %= (110 × 100)/880 %= 11000/880 %= 12.5 %Hence,(i) The cost price of wrist watch is ₹ 880.(ii) Profit percent of wrist watch is 12.5 %. | |