What is the class mark of the class interval –(80 – 90)?
(a) 82.5
(b) 90
(c) 80
(d) 85
What is the class mark of the class interval –(80 – 90)?
(a) 82.5
(b) 90
(c) 80
(d) 85
Harshit Singh , 4 Years ago
Grade 12th pass
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