D
由题意,知为1*2*3*4*5*6*7=840
MINIMUM里面有3个M,2个I重复了,所以不能直接7!.要除掉重复的字母们。
答案是7!/(3!*2!)=420=C
还有SAT2上面没这么难的题目的,不过会了也是好事嘛。
C.
7!/(3!*2!)=420
Thisanexampleofpermutationwithrepetition.
Firstcomputetheresultofthepermutationandthendividetheresultby(themutipleof)thefactorialofthenumberofrepetitivesubjects.
IdisagreethatSATwon'thaveaquestionhavesuchalevelofdifficulty.Indeed,thetestincludesquestionsfarmoredifficultthanthis!!!