varghese mathew
7 years ago

A trader mark is 50% above the cost price, on selling he gives discount of 30% then gain % is

Solution (By Examveda Team)

Let Cost Price be x.
Then Trade Mark Price = x + (50/100) * x = (3/2)*x
Discount = (3/2) * x * (30/100) = (9/20) * x
Selling Price = (3/2) * x - (9/20) * x = (21/20) * x
Gain = {(21/20) * x} - x
Gain % = (Gain/Cost Price) * 100 = {(x/20)/x} * 100 = 5%

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