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April 18th, 2018, 11:08 PM   #1
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How is the value 36 obtained?

A Shopkeeper gain 20% while buying the goods and 30% while selling them. Find the total gain%?

Solution:

Assume CP = 100.

100 ----(20% gain)------- 120

120 -----(30% gain) ------ 36.

20 + 36 ----> 56% (profit)
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April 19th, 2018, 01:09 AM   #2
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120 * 30% = 36
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