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# Kyle is making a CD containing 10 of his favorite songs. He

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Manager
Joined: 15 Jul 2004
Posts: 73
Followers: 3

Kudos [?]: 7 [0], given: 0

Kyle is making a CD containing 10 of his favorite songs. He [#permalink]  09 Apr 2005, 00:17
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Question Stats:

100% (01:16) correct 0% (00:00) wrong based on 1 sessions
Kyle is making a CD containing 10 of his favorite songs. He has chosen two blues songs and 8 rock-n-roll songs to be on the CD. The blues songs will be the first and last songs. How many different orderings of songs on the CD are possible?

A. 3,628,800
B. 161,280
C. 80,640
D. 20,160
E. 160
[Reveal] Spoiler: OA

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Let us make hay while the sun shines.
Don Quixote. Part i. Book. iii. Chap. xi.

VP
Joined: 30 Sep 2004
Posts: 1490
Location: Germany
Followers: 4

Kudos [?]: 80 [0], given: 0

C

B1 _ _ _ _ _ _ _ _ B2 or B2 _ _ _ _ _ _ _ _ B1 => 2nd to 9th position is 8! = 40320 * 2 = 80640
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

Senior Manager
Joined: 19 Feb 2005
Posts: 488
Location: Milan Italy
Followers: 1

Kudos [?]: 10 [0], given: 0

completely agree.
However, it is really strange that 40320 is not an option, because one the the most frequent mistakes is to forget that 8! should be multiplied by 2.
I don't think we will not find it in our actual GMAT.
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