Question

if the S.P. of 10 articles is the same as C.P. of 12 articles, find the gain Percent

Answer 1

Plz refer to the attachment below

Hope it helps

Answer 2

SP of 1 articles = $1
S. P. of 12 articles = $12
gain = S. P. - C.P.
gain = 12 - 10
gain = $2
gain percentage =gain/c.p *100
= 2/10*100
= 20 percent