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26 Dec 2016, 11:09
Kudos
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
84% (00:41) correct
16%
(00:53)
wrong
based on 161
sessions
History
Date
Time
Result
Not Attempted Yet
One red bottle and three blue bottles are to be arranged in a straight line from left to right on a windowsill. How many different unique arrangements are possible?
A. 12
B. 6
C. 4
D. 3
E. 1
A. 12
B. 6
C. 4
D. 3
E. 1
21 May 2017, 12:38
Kudos
Bookmarks
It is 4.
It like arranging rbbb =\(\frac{4!}{3!}\)=4
It like arranging rbbb =\(\frac{4!}{3!}\)=4
