The above histogram represents the marks and number of students in an examination conducted in a school. Find the ratio of the number of students having marks between 20-40 to the total number of students.
1
81 ∶ 200
2
83 ∶ 200
3
82 ∶ 200
4
87 ∶ 200
The above histogram represents the marks and number of students in an examination conducted in a school. Find the ratio of the number of students having marks between 20-40 to the total number of students.