Question
An article was sold for Rs. 144. If the percentage of profit was numerically equal to the cost price, the cost of the article was:
Answer: Option C
 - Let C.P. = Rs. x, Profit% = x% and S.P. = Rs. 144
x = 100 (100 + x) x 144
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 - Let C.P. = Rs. x, Profit% = x% and S.P. = Rs. 144
x = 100 (100 + x) x 144
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