Take a Kick at this PS GMAT Question of the Day

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Take a Kick at this PS GMAT Question of the Day

GMAT Question of the Day: Problem Solving
Explanation
Let’s define selling price as Selling price = S, Purchasing price = P and Markup = M. We can summarize the information in the question stem as follows:

S = P + M P = 10 M = S/10

Therefore, S = 10 + S/10 10S = 100 + S or 9S = 100 S = 100/9

Profit = Markup = S/10 =10/9

The correct choice is C.