Question

By selling an article for Rs.100 a shopkeeper gains rupees 10. The gain percent is​

Answer 1

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Answer 2

Answer:

11.1% (12%)

Step-by-step explanation:

given:

selling price of article=100

gain rupees = 10

pre - requisite knowledge

gain = s.p - c.p

gain%= $\boxed{\dfrac{gain}{c.p}*100}$

solving

first to find c.p

$\implies\:100-c.p=10\:\implies c.p=90$$gain\:percentage = \dfrac{10}{90}*100\\\\\implies\:11.1=12(approx)$

thus the gain percentage 12