Find the class mark of the class 40 - 45.

Find the class mark of the class 80-90.

Find the class- mark of the class 35-40.

Find the class mark of the class 11 to 15.

Find the classmark of the class 33-36.

Find the class mark of the class 0.5 to20.5

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

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

The class width and class mark of the class 10.5-12.5 are _______and______respectively.

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