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  1. 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


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