Profit and Loss - Quantitative Aptitude (MCQ) questions for Q. 28

Q.  The cost price of a particular amount of articles is same as the number of articles. Selling price of the articles comes out to be 20. Over the whole transaction 25% is gained. What is X?
- Published on 19 Oct 15

a. 15
b. 18
c. 16
d. 20

ANSWER: 16
 
According to the question let n be the number of articles.

=> Cost price of n articles = n

=> Selling price of n articles = 20

=> Profit % = 25%

=> Profit % = (SP - CP)/CP X 100

Putting the values in the formula

(20-n)/n x 100 = 25

=> 5n/4 = 20

=> n = 16

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