Answers

2014-11-13T19:21:26+05:30
Gain percentage = 25% on selling price or 33.33 % on cost
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2014-11-13T19:22:54+05:30
Let the cost price of 1 book = Rs 1 
Cost of 6 books = Rs 6

Selling price of 6 books = 8

Gain = 8 - 6 = 2

Gain % = gain/cost 
× 100
           = 2/6 × 100
           = 33.3333333333 %


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