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ds-flight [#permalink]

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New post 04 Sep 2008, 14:19
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On any given Saturday, flights arrive at XYZ airport every hour, for 24 hours. The average number of flights arriving at XYZ airport on any Saturday is a multiple of 12. Is the total number of flights that arrived on a Saturday > 180?

1)On the same Saturday, the median number of flight arrivals every hour is 17
2) On the same Saturday, Highest number of flight arrivals in an hour was 30.

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient
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Re: ds-flight [#permalink]

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New post 04 Sep 2008, 14:23
i think its A

as 17*11(minimum no. of flights on the upper side of the median value) > 180

B doesnt give any information regarding the minimum no. of flights per hour
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Re: ds-flight [#permalink]

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New post 04 Sep 2008, 14:54
IMO A.

same reasoning..and with sattement B , the number of flights can be as low as 60
30 + 23 +7(to make it a multiple of 12 )
Re: ds-flight   [#permalink] 04 Sep 2008, 14:54
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