The GMAT Sample Math question is an arithmetic problem solving question from the topic percentages and fraction. The concept tested is to find how much % more or % less is quantity A compared to quantity B.
Robin earns 30% more than Erica. Charles earns 60% more than Erica. How much % is the wages earned by Charles more than that earned by Robin?
A. 23%
B. 18.75%
C. 30%
D. 50%
E. 100%
The correct choice is (A) and the correct answer is 23%.
Let the wages earned by Erica be $100
Then, wages earned by Robin and Charles will be $130 and $160 respectively.
Charles earns $30 more than Robin who earns $130.
Therefore, Charles' wage is
= 23.07%.
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