Question
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:
Answer: Option B
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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).
So, \(\left(\frac{20-x}{x}\times100=25\right)\)
2000 - 100x = 25x
125x = 2000
x = 16.
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