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At Bridgewood High School, freshmen, sophomores, juniors, and seniors

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 58428
At Bridgewood High School, freshmen, sophomores, juniors, and seniors  [#permalink]

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New post 22 Jan 2019, 02:18
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

91% (00:38) correct 9% (01:41) wrong based on 25 sessions

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GMAT Club Legend
GMAT Club Legend
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D
Joined: 18 Aug 2017
Posts: 5031
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member
Re: At Bridgewood High School, freshmen, sophomores, juniors, and seniors  [#permalink]

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New post 22 Jan 2019, 05:48
Bunuel wrote:
At Bridgewood High School, freshmen, sophomores, juniors, and seniors are in the ratio of 3:4:6:7, respectively. Which of the following CANNOT be the total number of students at the school?

A 40
B 80
C 90
D 100
E 140



total = 20
so 90 is not factor of 20
IMO c is not valid option
GMAT Club Bot
Re: At Bridgewood High School, freshmen, sophomores, juniors, and seniors   [#permalink] 22 Jan 2019, 05:48
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At Bridgewood High School, freshmen, sophomores, juniors, and seniors

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