Question

The class width and class mark of the class 10.5 – 12.5 are -------and-------
(A) 2,11 (B) 2, 11.5 (C) 10,11 (D) 10,11.5​

Answer 1

Answer:

b) is the correct answer

Step-by-step explanation:

here, higher class = 12.5 and lower class = 10.5

class width = higher class - lower class = 12.5 - 10.5 = 2

also class mark = higher class + lower class

2

= 12.5 + 10.5

2

= 23

2

= 11.5

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