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Theater M has 25 rows with 27 seats in each row. How many of

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Intern
Intern
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Joined: 08 Nov 2008
Posts: 38

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Theater M has 25 rows with 27 seats in each row. How many of [#permalink]

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New post 11 Nov 2008, 16:24
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Theater M has 25 rows with 27 seats in each row. How many of the seats were occupied during a certain show?
(1) During the show, there was an average (arithmetic mean) of 10 unoccupied seats per row for the front 20 rows.
(2) During the show, there was an average (arithmetic mean) of 20 unoccupied seats per row for the back 15 rows.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

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Senior Manager
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Re: seats [#permalink]

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New post 11 Nov 2008, 16:54
should be E i think

because there is a overlap of 10 rows in 1 and 2 . Now these 10 rows might have a very low number of people in them or very high.

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Re: seats   [#permalink] 11 Nov 2008, 16:54
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Theater M has 25 rows with 27 seats in each row. How many of

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