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The marked price of an article is ₹600. It is sold for ₹342.72, after allowing three successive discounts of 16%, 20% and x% on its marked…

3013Medium DSSSB TGT Computer Science 0 replies

The marked price of an article is ₹600. It is sold for ₹342.72, after allowing three successive discounts of 16%, 20% and x% on its marked price. If a single discount of 2x% is given on its marked price, then the selling price (in ₹) of the article will be:

A420
B390
C450
D492

Correct answer: A

Explanation

600 × 0.84 × 0.80 = 403.2 and 342.72 / 403.2 = 0.85, so x = 15. A single discount of 2x = 30% gives 600 × 0.7 = ₹420.

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