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# n how many ways can 3 letters out of five distinct 5 distinct letters

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Joined: 25 Dec 2018
Posts: 148
Location: India
GMAT 1: 490 Q47 V13
GPA: 2.86
n how many ways can 3 letters out of five distinct 5 distinct letters  [#permalink]

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03 Jan 2019, 09:01
00:00

Difficulty:

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Question Stats:

100% (01:58) correct 0% (00:00) wrong based on 1 sessions

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In how many ways can 3 letters out of five distinct 5 distinct letters A, B, C, D and E be arranged in a straight line so that A and B never come together?

A. 7
B. 23
C. 29
D. 37
E. 42
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Joined: 02 Sep 2009
Posts: 53738
Re: n how many ways can 3 letters out of five distinct 5 distinct letters  [#permalink]

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03 Jan 2019, 09:03
akurathi12 wrote:
In how many ways can 3 letters out of five distinct 5 distinct letters A, B, C, D and E be arranged in a straight line so that A and B never come together?

A. 7
B. 23
C. 29
D. 37
E. 42

Discussed here: https://gmatclub.com/forum/in-how-many- ... 23385.html
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Re: n how many ways can 3 letters out of five distinct 5 distinct letters   [#permalink] 03 Jan 2019, 09:03
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