SSC CPO SI and ASI 2011 Paper

Question : 118 of 200

Marks: +1, -0

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

10%
$10 1/ 11$ %
$9 1/ 11$ %
11%

Validate

Solution:

(3) Let the selling price of the article be Rs.z (without sale tax). Now,

1.1 z=500 ⇒ z= {5000}/{11}

So, the Discount percent was,

{500- {5000}/{11}}/{500} × 100

= {100}/{11}=9 {1}/{11} \%

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