#### Question

What is the class-mark of class 25-35 ?

25

35

60

30

#### Solution

Since, the class-mark of class 25-35 = `( 25 + 35) / 2` = `60/2` = 30

Hence, the correct alternative answer is (D).

Is there an error in this question or solution?

Solution What is the Class-mark of Class 25-35 ? Concept: Frequency Distribution Table.