The cost price of 20 articles is equal to the selling price of 25 articles. The loss percent in the transaction is Choices:
A) 5 B) 20 C) 25 D) 30 E) None of these
Let C.P. of 1 article = 1   then C.P. of 25 articles = 25   and S.P. of 25 articles = 20   ∴ loss % = 25−20/20×100=25%   Answer 25
<result>C</result>
The cost price of 20 articles is equal to the selling price of 25 articles. The loss percent in the transaction is