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At a certain university, the ratio of the no of teaching

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Intern
Joined: 18 Feb 2005
Posts: 47

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At a certain university, the ratio of the no of teaching [#permalink]

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20 Nov 2005, 05:26
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At a certain university, the ratio of the no of teaching assts to the no of stdnts in any course must always be greater than 3:80. At this univ, whats the max no of stdnts possible in a course with 5 teaching assts?
130
131
132
133
134

Pl explain answer with workings

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VP
Joined: 06 Jun 2004
Posts: 1050

Kudos [?]: 188 [0], given: 0

Location: CA

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20 Nov 2005, 14:16
My answer is D, 133

(TA/ST)>(3/80)

(5/ST)>(3/80)

ST<(400/3) ==> ST < 133(1/3)

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Senior Manager
Joined: 14 Apr 2005
Posts: 414

Kudos [?]: 18 [0], given: 0

Location: India, Chennai

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21 Nov 2005, 00:32
My answer is D, and my working is same as above.

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21 Nov 2005, 00:32
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At a certain university, the ratio of the no of teaching

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