GMAT_Flex_Quant_Mastery_B - Quant Mastery B Session Booklet...

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Quant Mastery B Session Booklet
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3 Quant Mastery B Session Booklet 1. Car X began traveling at an average speed of 35 miles per hour. After 72 minutes, car Y began traveling at an average speed of 49 miles per hour. When both cars had traveled the same distance, both cars stopped. How many miles did car X travel from the time car Y began traveling until both cars stopped? 105 120 140 147 168 Q R S P 2. In the figure above, the measure of angle PQR is 90 degrees, and the measure of angle QSP is 90 degrees. What is the area of triangle PQR  ? (1) The length of PS is 16, and the length of RS is 9. (2) The length of PR is 25, and the ratio of the length of PQ to the length of QR is 4 to 3.
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Quant Mastery B Session Booklet 4 3. The ratio of the number of sophomores to juniors to seniors in a room is 3 to 5 to 34. If the number of seniors is 104 more than the sum of the sophomores and juniors, then what is the sum of the number of juniors and seniors in the room? 168 156 148 136 117 4. Darcy, Gina, Ray, and Susan will be the only participants at a meeting. There will be three soft chairs in the room where the meeting will be held and one hard chair. No one can bring more chairs into the room. Darcy and Ray will arrive simultaneously, but Gina and Susan will arrive individually. The probability that Gina will arrive first is 1 __ 3 , and the probability that Susan will arrive first is 1 __ 3 . The probability that Gina will arrive last is 1 __ 3 , and the probability that Susan will arrive last is 1 __ 3 . Upon arriving at the meeting, each of the participants will select a soft chair, if one is available. If Darcy and Ray arrive and see only one unoccupied soft chair, they will flip a fair coin to determine who will sit in that chair. By what percent is the probability that Darcy will sit in a soft chair greater than the probability that Gina will sit in a soft chair?
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