Each employee of a certain task force is either a manager or a director. What percent of the employees on the task force are directors? GMAT Explanation Each employee of a certain task force is either a manager or a director. What percent of the employees on the task force are directors? (1) the average […]
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Six cards numbered from 1 to 6 are placed in an empty bowl. First one card is drawn and then put back into the bowl; then a second card is drawn. If the cards are drawn at random and if the sum of the numbers on the cards is 8, what is the probability that
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During a 40-mile trip, Marla traveled at an average speed of x miles per hour for the first y miles of the trip and and at an average speed of 1.25x miles per hour for the last 40 – y miles of the trip. The time that Marla took to travel the 40 miles was
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Six countries in a certain region sent a total of 75 representatives to an international congress, and no two countries sent the same number of representatives. Of the six countries, if Country A sent the second greatest number of representatives, did Country A send at least 10 representatives? GMAT Explanation Six countries in a certain
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Is xy > 0? GMAT Explanation Is xy > 0? (1) x – y > -2 (2) x – 2y < -6 Correct Answer: C
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