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SSC CHSL 2022 PYQ — Question 62

SSC CHSL - 3 June 2022 - Shift 1 • Quantitative Aptitude • Q62

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A woman sold her earphone for ₹2,000 and got a percentage profit equal to the numerical value of cost price. The cost price of the earphone is:

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Correct answer: D

Explanation

The correct answer is option 4 i.e. ₹ 400

Given:

S.P. = ₹2,000

Explanation:

Let the cost price be x.

According to the given question,

2,000×100(100+x)2,000 \times {100 \over (100 + x)} = x

⇒ x2 + 100x - 200000 = 0

Now, for making it easier try option method.

From the options, we get x = 400

Hence the required answer is ₹ 400.