In how many ways can five boys and three girls sit in a row such that all girls sit together? Choose the correct answer.
A) A)1972 B) B)9022 C) C)2880 D) D)1097 E) E)4320
Treat all girls as one unit. Now there are six students and they can be arranged in 6! ways. Again three girls can be arranged among themselves in 3! ways.   Required number of arrangements   = 6! * 3! = 720* 6= 
<gadget id="calculator">720* 6</gadget>
<output>4_320</output>
4320.   Answer:4320
<result>E</result>
In how many ways can five boys and three girls sit in a row such that all girls sit together?