Question

The class-mark of the class-interval 40 – 48 is ______.

विकल्प

• 40

• 42

• 44

• 48

Answer 1

The class-mark of the class-interval 40 – 48 is 44.

Explanation:

The class‑mark (midpoint) of a class interval is the average of its lower and upper limits.

i.e., `(40 + 48)/2` 

= `88/2`

= 44