8 persons a, b, c, ... and h are to be lined up in a row. If a, b, and c adhere always together, how many possible cases are there?	Choose the correct answer
A) 24 B) 36 C) 480 D) 1720 E) 4320
firstly it is not GEOMETRY but COMBINATIONS, so changing the TAG accordingly..   total 8 are there..   take a,b, and c as one,so total =6..   these 6 can be arranged in 6! ways..   a,b, and c can be arranged within themselves in 3! ways ..   TOTAL = 6!*3!=4320   4320
<result>E</result>
8 persons a, b, c, ... and h are to be lined up in a row. If a, b, and c adhere always together, how many possible cases are there?