my wife name Lax ajay

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Annu Priya · Answer 1 · 2017-12-18T23:41:52+0000

let CP of one article be = x
CP of 5 articles = 5x

SP of 3 articles = 5x
SP of one article = 5x/3

So the gain = (0.66x/x)*100 = 66%.