The price of a chair is Rs. 500. It has been sold at two

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The price of a chair is Rs. 500. It has been sold at two successive discounts of 10 % each. What is its selling price?

1. Rs. 400
2. Rs. 405
3. Rs. 415
4. Rs. 425

Correct Option: B

Single equivalent discount for 10 % and 10 %

=		10 + 10 −	10 × 10		% = 19%
			100

∴ S.P. of chair = (100 – 19)% of Rs. 500

∴ S.P. of chair = Rs.		500 × 81		= Rs. 405
		100