A seller gains 20% profit even after allowing 10% discount.

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A seller gains 20% profit even after allowing 10% discount. If the amount of profit on a TV set is Rs. 750, then the marked price of the TV set is

1. Rs. 5200
2. Rs. 5000
3. Rs. 4800
4. Rs. 5500

Correct Option: B

S.P. of TV set = Rs.		120	× 750
		20

= Rs. 4500
If the marked price be Rs. x, then

x × 90	= 4500
100

⇒ x =	4500 × 100	= Rs. 5000
	90