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Question-1 

From table, the number of students got 60 or more than 60 marks, is ____________. 

Marks (class-interval) No. of students
30 - 40  12
40-50 13
50-60 04
60-70 15
70-80 06

(A)

15


(B)

21

(C)

25

(D)

29





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