A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at random, one at a time. What is

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问题 A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at random, one at a time. What is the least number of marbles he must remove to be sure that he has at least one of each color?

选项 A、3
B、6
C、8
D、10
E、12

答案D

解析

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本试题收录于： GRE QUANTITATIVE题库GRE分类

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A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at random, one at a time. What is

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Duringthelastthreedecades,thenumberofpeopleparticipatinginphysicalfitnessprograms______sharply.

Itisbecausesheisverydevotedtoherstudents______sheisrespectedbythem.

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