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University Ratio

by gmatblood » Wed Nov 02, 2011 3:36 am
At a certain university, the ratio of number of teaching assistants to the number of students in any course must always be greater than 3:80. At this university what is the maximum number of students possible in any course that has 5 teaching assistants ?

A) 130
b) 131
c) 132
d) 133
e) 134
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by shankar.ashwin » Wed Nov 02, 2011 3:40 am
S/T = 80/3

Given T = 5, S = (80/3) * 5 ~ 133 D
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by user123321 » Wed Nov 02, 2011 3:56 am
gmatblood wrote:At a certain university, the ratio of number of teaching assistants to the number of students in any course must always be greater than 3:80. At this university what is the maximum number of students possible in any course that has 5 teaching assistants ?

A) 130
b) 131
c) 132
d) 133
e) 134
T/S > 3/80
if T = 5 then S should be less than 80*5/3 = 133.3 = 133 (since number of students is +ve integer).

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by GMATGuruNY » Wed Nov 02, 2011 4:24 am
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