Successive discounts of 10% and 20% are equivalent to a

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RRB TA Exam (Chennai) 2008 click here to view all questions

Successive discounts of 10% and 20% are equivalent to a single discount of

A30%

B15%

C28%

D72%

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Answer is : 28% Explanation: Let marked price be 100.  apply 10% discount  $\frac{10}{100}*100=10$   ......(i) apply 20% discount  $\frac{20}{100}*90=18$   .......(ii) Total discounts = (i) + (ii) =10+18 =28  discount percentage=$\frac{28}{100}*100$=28% Nithin K ? answered Dec 2 '2016 at 22:21 All Comments

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