If the selling price of 50 articles is equal to the cost price of 45 articles, then the loss or gain percent is:	Choose the correct choice from the following answers:	A) 45%	B) 10%	C) 20%	D) 60%	E) 56%
C.P. of each article be Re. 1.   Then, C.P. of 50 articles = Rs. 50;   S.P. of 50 articles = Rs. 45.   Loss % = 5/50 * 100= 
<gadget id="calculator">5/50 * 100</gadget>
<output>10</output>
10%   ANSWER 10%
<result>B</result>
If the selling price of 50 articles is equal to the cost price of 45 articles, then the loss or gain percent is: