gneet    TOPIC : Average Number of questions are 100
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Q1) The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was :

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The average of the marks obtained
in an examination by 8 students
was 51 and by 9 other students
was 68. The average marks of all
17 students was :

ans: (c)



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