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SSC Selection Post 2020 PYQ — Question 75

SSC Selection Post - Matriculation Level 2020 - 9 Nov 2020 - Shift 1 • Quantitative Aptitude • Q75

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A salesman sold an article at three-fifth of the marked price. By doing so, he gained 20%. The ratio of the marked price and the cost price of the article is:

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Correct answer: D

Explanation

The correct answer is option 4 i.e. 2 : 1.

Let marked price = ₹x
SP = (3/5)x

Gain = 20%

CP = SP/1.2 = 35x1.2=x2\frac{\frac{3}{5}x}{1.2} = \frac{x}{2} \\

Ratio (MP : CP)  =xx/2=2:1= \frac{x}{x/2} = 2 : 1