find the percentage profit or loss when ball pens bought for RS 40 per dozen are sold at the rate of 10for RS 48
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c.p. of 12 pens= 40
c.p of 1 pen = 40/12 = 10/3
s.p of 12 pens = 48
s.p of 1 pen = 48/12 = 4
s.p > c.p
hence,
profit=s.p. - c.p.
= 4- 10/3
= 2/3
profit % = pro.../ c.p. *100
= {(2/3)/10/3}*100
= 25 %
answer, O.K.
c.p of 1 pen = 40/12 = 10/3
s.p of 12 pens = 48
s.p of 1 pen = 48/12 = 4
s.p > c.p
hence,
profit=s.p. - c.p.
= 4- 10/3
= 2/3
profit % = pro.../ c.p. *100
= {(2/3)/10/3}*100
= 25 %
answer, O.K.
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