The cost price of 20 books is the same as the selling price of ’X’ books. If the profit is 25%, then the value of X is ? Choose the correct choice: A) 25 B) 18 C) 16 D) 15 E) 14
let S.P. of X books = Rs 100 = C.P. of 20 books   Therefore, C.P. of one book = Rs 5   Profit = 25 %   Therefore, S.P of one book = 6.25   S.P of X articles = 6.25 X   6.25 X = 100 =&gt; X = 16   ANSWER:16
<result>C</result>
The cost price of 20 books is the same as the selling price of ’X’ books. If the profit is 25%, then the value of X is ?