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
A) 29
B) 16
C) 7
D) 6
E) 5
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).   {\color{16lack} \therefore \left ( \frac{20-x}{x}\times 100=25 \right )}   2000 - 100x = 25x   125x=2000   x=16   Answer: 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: