1.

Q: A shopkeeper list the price of an article as ₹ 500. But he gives a certain discount which allows the buyer to pay ₹ 500 for the article including 10% sales tax. The rate of discount is

A. $$9{1\over 11}\%$$
B. 0.11
C. 0.1
D. $$10{1\over 11}\%$$
Answer» B. 0.11


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