The bar graph shows the average marks scored in Mathematics examination (out of 100) by students of 6 divisions of XIIth standard.
What is the ratio of the average marks scored by Division B to Division D?
1
9 ∶ 13
2
1 ∶ 3
3
13 ∶ 9
4
1 ∶ 9
The bar graph shows the average marks scored in Mathematics examination (out of 100) by students of 6 divisions of XIIth standard.
What is the ratio of the average marks scored by Division B to Division D?