If the selling price of 10 articles is the same as the cost price of 12 articles Find gain percenta ........

Quant (SSC) Profit and loss

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If the selling price of 10 articles is the same as the cost price of 12 articles. Find gain percenta.

10%

20%

30%

40%

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Explanation:

To solve this question, we can apply a short trick approach
If the cost price of x articles is equal to the selling price of y articles, then the profit percentage
= x - y /y × 100%
x is the number of articles the cost price of which is given = 12
y is the number of articles the selling price of which is given = 10
By the short trick approach, we get
= 12 - 10 /10 × 100 = 20%