1.

Following are the percentages of marks of 10 students of a class: 50, 60, 70, 72, 74, 75, 80, 88, 75, 100 Frequency of students in the class (60 - 68) will be:

A. 5                                 
B. 1               
C. 6                                 
D. 3
Answer» C. 6                                 


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