A grocer sells 40 l of oil for the cost price of 42l find his gain percent
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Answer:
Let the cost price of 1l oil be Re 1.....
therefore the cost price of 40 l oil = Rs 40
The cost price of 42 l oil = Rs 42
CP of 42 l of oil is SP of 40 l of oil....
Hence SP 40 l oil = Rs 42
Thus the profit percentage is....
= ( SP - CP ) / CP ×100
= ( 42 - 40) / 40 ×100
= ( 1 / 20 ) ×100
= 5%
Therefore the profit percentage is 5%....
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