Q. 24.6( 7 Votes )

The class mark of the class 100-120 is
A. 100

B. 110

C. 115

D. 120

Answer :

Class interval = 100 – 120 (given)


We know that,


Class marks = 1/2 (upper class limit + lower class limit)


= 1/2 (100 + 120) = 1/2 ×220 = 110


So, Class marks = 110.

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