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 |
|
No of students |
5 |
11 |
18 |
38 |
39 |
24 |
15 |
Answer & explanation
Correct answer: option 2
Total number of students = 5 + 11 + 18 + 38 + 39 + 24 + 15 = `150
Number of students with less than 50 marks = 5 + 11 + 18 + 38 = 72
Required percentage = \(\frac{72}{150}\) × 100
= 48%