Answers

2015-11-17T16:46:31+05:30
Gain percent=(6/4 -1)* 100%
                    =(6/4 -4/4)*100%
                    =(2/4)* 100%
                    =50%

The input of 6 and 4 is obviously the number of watches. This formula is always useful. Hope this helps you!! :)
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