1.

8.By selling 200 books, a man gains the selling price of 400 books. Find his gain percent00/ INhat will be the cain percent if sold for double

Answer»

Selling books 200

SP of one book = x

SP of 200books = 200x

profit = 400x

CP = 400-200 = 200x

His gain in percent = 400x/200x x 100

= 200%



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