求助

shouqing_guo · 发表于 2003-10-26 13:41:00

"graduate students conduct marketing interview with several undergraduates. In each interview, each graduate only interview one undergraduates. The total interviews conducted by graduate students are same. Question: How many interviews have graduate students conducted?
(a) Each undergraduate students received 3 interviews.
(b) There are 25 undergraduate students.
想了大概10分钟，选了C，不知道对不对。 "

此机经如何解?

wxt · 发表于 2003-10-26 14:28:00

I think the answer is C.
25*3=75

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