What is the class mark of the class 80-130?

Choose the correct alternative for each of the following questions : What is the class mark of the class 10-100?

Choose the correct alternative answer for cach of the following question: What is the class mark of the class 25-30?

Choose the correct atternative answer for each of the following question: What is the class mark of the class 30-40 ?

What is the class mark of the class 100 - 190 ?

The class mark of the class 90-120 is

The class mark of the class 90-120 is

Find the class mark of the class 80-90.

Find the class mark of the class 80-90.

The class mark of the class 100-120 is

The class mark of the class 100-120 is