The list price of an article is Rs. 900. It is available at two successive discounts of 20% and 10%. The selling price of the article is :

Options

A. 640
B. 648
C. 540
D. 548

Answer

B

Explanation

20% तथा 10% का समतुल्य बट्टा
`20 + 10 - ( 20 xx 10)/( 90) = 28%`
वस्तु का विक्रयमूल्य `= 900 ( ( 100 - 28)/( 100) ) = Rs. 648`