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 ?



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 : B . 16


Explanation:


    Let Cost Price of each article be Re. 1
    Cost Price of x articles = Rs. x.
    Selling Price of x articles = Rs. 20.
    Profit = Rs. (20 – x).

    So {(20 - x) / x} x 100 = 25
    x = 16


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