Question 124

A watch is sold at a profit of 30%. Had it been sold for Rs. 80 less, there would have been a loss of 10%. What is the cost price in rupees ?

Solution

let the cost price of the watch be Rs y

if the watch is sold at 30% profit then Selling Price = 1.3 y

it is given that if i would sold it for 80 Rs less then there would be 10% loss

that is 1.3y - 80 = 0.9y

0.4y = 80

y = 200

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