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pool of students question- data sufficiency

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Joined: 20 Aug 2018
Posts: 2
pool of students question- data sufficiency  [#permalink]

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New post 25 Aug 2018, 13:04
Twelve representatives must be picked from a pool of n students who attend a certain class. If m of the students haven’t shown up today, how many different sets of representatives could be picked from the students who came today?

(1) If one less student had shown up, it would be possible to create 13 different sets
(2) n=m+1

On your answer sheet, write down:
a. if statement (1), BY ITSELF is sufficient to answer the question, but statement (2) by itself is not sufficient to answer the question;
b. if statement (2), BY ITSELF is sufficient to answer the question, but statement (1) by itself is not sufficient to answer the question;
c. if statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement BY ITSELF is sufficient to answer the question;
d. if EITHER statement BY ITSELF is sufficient to answer the question; and
e. if statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question.


The correct answer is D, but i dont knot why, could someone help me ? thanks !
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Re: pool of students question- data sufficiency  [#permalink]

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New post 27 Aug 2018, 01:11
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Re: pool of students question- data sufficiency &nbs [#permalink] 27 Aug 2018, 01:11
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pool of students question- data sufficiency

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