An article marked at rupees 800 is sold at a discount of 10 %. Find its cost price if the dealer makes a profit of 20 %. Also, find the profit percent if no discount is allowed.
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marked price= 800
so, from question
selling price= 90%of marked price= 120% of cost price.
s.p.= 800×90/100= 720
c.p.×120/100= 720
c.p.=600
so cost price = ₹600
profit% if no discount= (m.p.-c.p.)/c.p.×100= (800-600)/600= 200/600×100 =100/3%= 33 1/3%
so, from question
selling price= 90%of marked price= 120% of cost price.
s.p.= 800×90/100= 720
c.p.×120/100= 720
c.p.=600
so cost price = ₹600
profit% if no discount= (m.p.-c.p.)/c.p.×100= (800-600)/600= 200/600×100 =100/3%= 33 1/3%
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