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A certain company will issue 4-letter identification codes t

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A certain company will issue 4-letter identification codes t [#permalink] New post 24 Mar 2018, 09:19
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83% (00:10) correct 16% (00:00) wrong based on 6 sessions
A certain company will issue 4-letter identification codes to all of its employees. The codes will include only the letters A, C, F, H, K, Q and V. If all the letters of each code are distinct, how many such codes are possible?

A. 35

B. 70

C. 105

D. 840

E. 1680
[Reveal] Spoiler: OA

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Re: A certain company will issue 4-letter identification codes t [#permalink] New post 25 Mar 2018, 10:01
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Carcass wrote:
A certain company will issue 4-letter identification codes to all of its employees. The codes will include only the letters A, C, F, H, K, Q and V. If all the letters of each code are distinct, how many such codes are possible?

A. 35

B. 70

C. 105

D. 840

E. 1680


7*6*5*4=840
Re: A certain company will issue 4-letter identification codes t   [#permalink] 25 Mar 2018, 10:01
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A certain company will issue 4-letter identification codes t

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