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# Three red bottles and two blue bottles are to be arranged in a straigh

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Math Expert
Joined: 02 Sep 2009
Posts: 52385
Three red bottles and two blue bottles are to be arranged in a straigh  [#permalink]

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27 Apr 2017, 01:17
1
00:00

Difficulty:

25% (medium)

Question Stats:

80% (00:53) correct 20% (01:12) wrong based on 34 sessions

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Three red bottles and two 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. 10
C. 6
D. 5
E. 3

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Retired Moderator
Joined: 26 Nov 2012
Posts: 592
Re: Three red bottles and two blue bottles are to be arranged in a straigh  [#permalink]

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27 Apr 2017, 02:00
Bunuel wrote:
Three red bottles and two 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. 10
C. 6
D. 5
E. 3

Total 5 bottles = 5!

3R and 2B then we get 5!/3!* 2! = 10

Option B.
Re: Three red bottles and two blue bottles are to be arranged in a straigh &nbs [#permalink] 27 Apr 2017, 02:00
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