❇️ The selling price of 12 pens is equal to the cost price of 10 pens. what is the profit per cent?
( hint: answer should come 16.66%)
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❇️ The selling price of 12 pens is equal to the cost price of 10 pens. what is the profit per cent?
( hint: answer should come 16.66%)
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Answer:
Let the CP of each pen be Rs.x.
Then,
CP of 12 pens=Rs.12
SP of 12 pens=CP of 14 pnes=Rs.14
now,gain=SP-CP=Rs.(14-12)=Rs.2
gain%=gain/cp*100
=(2/12*100)%= 50/3%
Hence,the gain= 16.666 is the ans
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