Question

write class mark of 30-35. explain the answer

Answer 1

class mark of 30-35 is
(30+35) / 2
(65) / 2
32.5 is the class mark of 30-35

first we need to add the two numbers
then divide that sum of those two numbers by two to get your class mark of those two numbers.
Class mark is the average of the class- interval.

if it is clear , please mark my answer as brainliest ;)