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# In an examination hall, all students of two different classes A and B

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Joined: 25 Dec 2018
Posts: 145
Location: India
GMAT 1: 490 Q47 V13
GPA: 2.86
In an examination hall, all students of two different classes A and B  [#permalink]

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06 Jan 2019, 09:50
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Difficulty:

(N/A)

Question Stats:

33% (03:42) correct 67% (01:05) wrong based on 3 sessions

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In an examination hall, all students of two different classes A and B were sitting with at least one student of each class. Each student of class A gave 3 exams and each student of class B gave 4 exams. If the number of students in class A was less than the number of students in class B, what was the number of class A students in the hall?

(1) The total number of exams taken by all students put together was 40.

(2) If 5 students from class B leave the hall the total number of exams will reduce to 20.
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Joined: 02 Sep 2009
Posts: 58402
Re: In an examination hall, all students of two different classes A and B  [#permalink]

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06 Jan 2019, 09:55
akurathi12 wrote:
In an examination hall, all students of two different classes A and B were sitting with at least one student of each class. Each student of class A gave 3 exams and each student of class B gave 4 exams. If the number of students in class A was less than the number of students in class B, what was the number of class A students in the hall?

(1) The total number of exams taken by all students put together was 40.

(2) If 5 students from class B leave the hall the total number of exams will reduce to 20.

Discussed here: https://gmatclub.com/forum/in-an-examin ... 67351.html
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Re: In an examination hall, all students of two different classes A and B   [#permalink] 06 Jan 2019, 09:55
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