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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
A certain class, consisting of a lecture and a question-and-answer ses
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25 Jan 2023, 23:21
25 Jan 2023, 23:21
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Question Stats:
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A certain class, consisting of a lecture and a question-and-answer session, lasted from 2:45 to 4:30 one afternoon. If the lecture lasted from 2:45 to 4:15, then the question-and-answer session was what fraction of the total class time?
A) 1/7
B) 1/6
C) 1/5
D) 1/4
E) 1/3
A) 1/7
B) 1/6
C) 1/5
D) 1/4
E) 1/3
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
Re: A certain class, consisting of a lecture and a question-and-answer ses
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28 Jan 2023, 09:02
28 Jan 2023, 09:02
Expert Reply
Total class time from 2:45 to 4:30 =>105
Lecture lasted from 2:45 to 4:15 => 90 minutes
question-and-answer session lecture lasted from 4:15 to 4:30 => 15 minutes
question-and-answer session was what fraction of the total class time = \(\frac{15}{105}\) = \(\frac{1}{7}\)
Answer: A
Lecture lasted from 2:45 to 4:15 => 90 minutes
question-and-answer session lecture lasted from 4:15 to 4:30 => 15 minutes
question-and-answer session was what fraction of the total class time = \(\frac{15}{105}\) = \(\frac{1}{7}\)
Answer: A
gmatclubot
Re: A certain class, consisting of a lecture and a question-and-answer ses [#permalink]
28 Jan 2023, 09:02
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