Question

3.
छात्रों द्वारा प्राप्त अंकों के माध्य की गणना कीजिए।
Calculate the mean of the marks obtained by students.
प्राप्तांक
छात्रों की संख्या
Marks obtained
No. of students
0-10
40
10-20
30
20-30
32
30-40
20
40-50
10
मिला ETTI​

Answer 1

Answer:

10 20 is the answer of the question