An art gallery owner is hanging paintings for a new show. Of the six paintings she has to choose from, she can only hang three on the main wall of the gallery. Assuming that she hangs as many as possible on that wall, in how many ways can she arrange the paintings? -题库考试答案搜索网

An art gallery owner is hanging paintings for a new show. Of the six paintings she has to choose from, she can only hang three on the main wall of the gallery. Assuming that she hangs as many as possible on that wall, in how many ways can she arrange the paintings?

单选题

2022-09-22 14:21

A、18
B、30
C、64
D、120
E、216

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正确答案

D

试题解析

根据全排列公式可知，可能的悬挂方法种数=

，故本题选D项。

标签：国外英语考试 GMAT

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