Six children, three boys and three girls, sit in a row on a park

您还没有登录，登录以后才可以查看答疑和进行提问。

试题详情

Six children, three boys and three girls, sit in a row on a park bench. How many arrangements of children are possible if no boy can sit on either end of the bench?

Indicate all possible values.

A、46,656
B、38,880
C、1,256
D、144
E、38

答案：D

专业教师答疑

最新

提问

还没有人问到这里。

问个问题

答疑小程序

最热提问

Issue
Some people believe that in order to be effective,......
Text Completion
The increasing acceptance of the notion that the n......
Reading Comprehension
according to the passage, true statements about th......
Problem Solving
In the figure above, if PQRS is a parallelogram, t......
Sentence Equivalence
The company is so old-fashioned and opposed to inn......
Text Completion
Research note that wolves’ otherwise strongly hi......
Text Completion
Many researchers assume that politicians consider ......
Sentence Equivalence
The life of a secret agent is dangerous enough, bu......

试题详情

专业教师答疑 最新 提问

问个问题

答疑小程序

最热提问

专业教师答疑

最新

提问