From the given table, what is the percentage of students scoring 40 or more, but less than 70.
|
Scores |
Less than 20 |
Less than 30 |
Less than 40 |
Less than 50 |
Less than 60 |
Less than 70 |
Less than 80 |
|
No. of students |
12 |
19 |
22 |
31 |
38 |
46 |
50
|
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 52.75%.
| Understanding/Application |
|
Total number of students = 12 + 19 + 22 + 31 + 38 + 46 + 50 = 218 Total students who scored 40 more or but less than 70 = 31 + 38 + 46 = 115 |
| Required percentage = (115 × 100)/218 = 52.75% |