By selling 8 dozen pencils a shopkeeper gains the swelling price of 1 dozen pencils. Find his gain percent?
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Answer:
14 2/7%
Step-by-step explanation:
S.P=CP + Gain
⇒S.P of 8 dozen = C.P of 8 dozen + S.P of 1 dozen
⇒S.P of 7 dozen = C.P of 8 dozen
⇒ By selling 7 dozens he gains one dozen
Therefore, Gain% = 1/7×100% = 14 2/7%
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