A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is ____ ?

– by 0

A. 20% profit
B.  less than 20% profit
C. more than 20% profit
D. no profit, no loss

Let the article be worth Rs. x.

C.P. 90% of Rs. x = Rs. 9x/10
S.P. = 110% of Rs. x = Rs. 11x/10
Gain = (11x/10 – 9x/10) = Rs. x/5
Gain % = x/5 * 10/9x * 100 = 22 2/9 % > 20%

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