A discount of 16% on the marked price of a book enables

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A discount of 16% on the marked price of a book enables a man to buy a pen that costs ₹ 80. How much did he pay for the book ?

1. ₹ 500
2. ₹ 480
3. ₹ 420
4. ₹ 340

Correct Option: A

Given that , discount = 16%
Let the amount paid (S.P.) be P.
According to question ,
∴ 16% of P = 80

⇒ P =	80	×100
	16

∴ P = ₹ 500
Hence , the amount paid (S.P.) be ₹ 500 .