The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:
Select the correct option:
A) 15
B) 16
C) 18
D) 25
E) 20
Explanation:   Let C.P. of each article be Re. 1 C.P. of x articles = Rs. x.   S.P. of x articles = Rs. 20.   Profit = Rs. (20 - x).   (20-x / x	x 100 = 25)   =2000 - 100x = 25x   125x = 2000   =x = 16.   ANSWER IS 16
<result>B</result>
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is: