How to find missed classes

find missing reagents.

The maen of the following frequency table is 53. But the frequencies f_(1) and f_(2) in the classes 20-40 and 60-80 are missing. Find the missing frequencies.

Find the missing values:

Find the missing values:

Suppose a student a smoker and generally he misses a period or comes late due to smoking. How would you like to compromise with such a student in the class?

In the following questions, find the missing number.

In the following questions, find the missing number.

Find the missing characters in the given figures:

Find the missing characters in the given figures: