Following table shows the grades obtained by the students of four sections viz. A, B, C and D of class Tenth of Ram Manohar Boys School. Answer the following questions using the information provided.
|
|
Grades |
||
|
Sections |
First |
Second |
Third |
|
A |
12 |
18 |
25 |
|
B |
10 |
23 |
17 |
|
C |
8 |
22 |
15 |
|
D |
14 |
24 |
12 |
If a student of class tenth of the school is randomly selected, what are the chances that he “belongs to section A or D” and “got second grade”?
1
9 %
2
12 %
3
21 %
4
25 %