As per data shown in the following table, what is the percentage of students who got less than 50 marks?
| Marks obtained | 10 to 20 | 20 to 30 | 30 to 40 | 40 to 50 | 50 to 60 | 60 to 70 | 70 to 80 |
| Number of students | 5 | 11 | 18 | 38 | 39 | 24 | 15 |
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e 48%
The no. of students who got less than 50 marks = (38 + 18 + 11 + 5) = 72
Total no of students = 150
Percentage = (72 / 150) × 100 = 48%