The following table shows the marks distribution among the students in a class.
|
Marks |
No. of Students |
|
Less than 10 |
2 |
|
Less than 20 |
5 |
|
Less than 30 |
6 |
|
Less than 40 |
8 |
|
Less than 50 |
10 |
How many students scored marks between 20 and 30 ?
Answer & explanation
Correct answer: option 3
Number of students scored less than 20 marks = 5
Number of students scored less than 30 marks = 6
Number of students scored b/w 20 & 30 = 6 - 5 = 1