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Profit and Loss - General Aptitude

Q1:

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

ANS:B - 16

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.