GRE®
返回
Question 1 Selected one answer choice
收藏
笔记
反馈
我的笔记
5000
保存
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
If the probability of choosing 2 red marbles without replacement from a bag of only red and blue marbles is355and there are 3 red marbles in the bag, what is the total number of marbles in the bag?

A.10

B.11

C.55

D.110

E.165

我的答案：