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There are two examination halls P and Q....

There are two examination halls P and Q. If 10 students shifted P to Q, then the number of students will be equal in both the examination halls. If 20 students shifted from Q to P,then the students of P would be doubled to the students of Q. The numbers of students would be in P and Q, respectively are

A

80 and 100

B

100 and 80

C

80 and 120

D

100 and 60

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The correct Answer is:
B
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