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:

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:
[A].

15

[B].

16

[C].

18

[D].

25

Answer: Option 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).

		20 – x	x 100 = 25
		x

2000 – 100x = 25x

125x = 2000

x = 16.

Video Explanation: https://youtu.be/sidqvjUoZxY