Question 55. 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:
(b) 16
(b)
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).