1.

Computer the medium form the following table    Marks obtained    No. of students 0-10 2 10-20 18 20-30 30 30-40 45 40-50 35 50-60 20 60-70 6 70-80 3

A. 36.55   
B. 35.55
C. 6.85                 
D. None of these
Answer» B. 35.55


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