the marked price of a computer is Rs. 22000. After allowing a 10% discount a dealer still makes a profit of 20%. Find the cost price of a computer.
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MP = 22000₹
D = 10%
D = 22000×10/100 = 2200
SP = 22000 - 2200 = 19800
CP = 19800 - (19800×20/100) = 19800 - 3960 = 15840
D = 10%
D = 22000×10/100 = 2200
SP = 22000 - 2200 = 19800
CP = 19800 - (19800×20/100) = 19800 - 3960 = 15840
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