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Intern
Joined: 29 Oct 2017
Posts: 3

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29 Oct 2017, 06:56
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Difficulty:

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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 2 sessions

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Each participant in a study was assigned a sequence of three different letters from the set {A,B,C,D,E,F,G,H}. If no sequence was assigned to more than one participant and if 36 of the possible sequences were not assigned, what was the number of participants in the study?

(Note for example that the sequence ABC is different from CBA)

a. 20
b. 92
c. 300
d. 372
e. 476

--== Message from GMAT Club Team ==--

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Math Expert
Joined: 02 Sep 2009
Posts: 47977

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29 Oct 2017, 07:03
sbolipombo wrote:
Each participant in a study was assigned a sequence of three different letters from the set {A,B,C,D,E,F,G,H}. If no sequence was assigned to more than one participant and if 36 of the possible sequences were not assigned, what was the number of participants in the study?

(Note for example that the sequence ABC is different from CBA)

a. 20
b. 92
c. 300
d. 372
e. 476

Discussed here: https://gmatclub.com/forum/each-partici ... 94901.html
_________________
Math Expert
Joined: 02 Sep 2009
Posts: 47977

### Show Tags

29 Oct 2017, 07:04
sbolipombo wrote:
Each participant in a study was assigned a sequence of three different letters from the set {A,B,C,D,E,F,G,H}. If no sequence was assigned to more than one participant and if 36 of the possible sequences were not assigned, what was the number of participants in the study?

(Note for example that the sequence ABC is different from CBA)

a. 20
b. 92
c. 300
d. 372
e. 476

Please post PS questions in PS forum: problem-solving-ps-140/

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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