If the selling price of 100 articles is equal to the cost price of 40 articles, then the loss or gain percent is:
Select.
A) 25% B) 40% C) 60% D) 65% E) 50%
Let C.P. of each article be Re. 1.   Then, C.P. of 100 articles = Rs. 100;   S.P. of 100 articles = Rs. 40.   Loss % = 60/100 * 100= 
<gadget id="calculator">60/100 * 100</gadget>
<output>60</output>
60%   ANSWER:60%
<result>C</result>
If the selling price of 100 articles is equal to the cost price of 40 articles, then the loss or gain percent is: