The average of the test scores of a class of 'm students is 70 and that of 'n' students is 91. When the scores of both the classes are is n/ m? combined, the average is 80. What is n/ m? - Study24x7
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Chirag Singhal
04 Oct 2022 11:03 AM study24x7 study24x7

The average of the test scores of a class of 'm students is 70 and that of 'n' students is 91. When the scores of both the classes are is n/ m? combined, the average is 80. What is n/ m?

A

11/10

B

13/10

C

10/11

D

10/13

SSC Railways UPSC
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