The class marks of a frequency distribution are given as follows: 15,20,25,.................... The class corresponding to the class Mark 20 is?

The class marks of a frequency distribution are given as follows: 15,2

1.	The class marks of a frequency distribution are given as follows: 15,20,25,.................... The class corresponding to the class Mark 20 is?
Answer» The class marks of a frequency distribution are given as follows: 15,20,25,.................... The class corresponding to the class Mark 20 is?