GMAT Question of the Day – Problem Solving – Overlapping Sets/Probability In a certain political party, 64 percent of the participants are female. 75 percent of the male and half of the female participants are less than 40 years old. If one participant is randomly selected, what is the probability that he or she will be
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GMAT Study Schedule Week: 8 (just getting started? You might start with the intro to the GMAT Schedules) We are about to finish the Official Guide 13th Edition Quant – woohooo! That’s an achievement right there. Still, we are going to review the tough ones so that you can learn from your mistakes. That’s what
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GMAT Question of the Day – Data Sufficiency – Ratio/Weighted Average The ratio of the number of students in the math department, history department, and science department is 3 to 7 to 10 respectively. Is the average height of students from all of the departments less than 60 inches? (1) The sum of the heights of all
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GMAT Question of the Day – Problem Solving – Probability Katie has a bag of marbles which contains 3 blue marbles, 3 red marbles, and 2 yellow marbles. If she arranges her marbles in a line what is the probability that the marbles will be grouped by color? A. 3/280 B. 3/560 C. 5/632 D. 7/632 E. 7/635
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GMAT Question of the Day – Problem Solving – Work Tank A contains X gallons of water while Tank B contains Y gallons. Tank A has water removed at a rate of K gallons per hour and Tank B has water added at a rate of M gallons per hour. Assuming that both tanks still
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