Question

The cost price of an object is Ra 1000% . What is the sale price if it is sold with a profit of Rs 10% .

Answer 1

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$cost \: price = 1000 \: rs \\if \: it \: sold \: with \: profit \: of \: 10 \%  \\ profit = 1000 \times \frac{10}{100} = 100 \: rs \\ selling \: price \: = cost \: price \: + profit \\ selling \: price = 1000 + 100 \: rs \\ selling \: price \: = 1100 \: rs$