| Marks | 40-54 | 55-69 | 70-84 | 85-100 |
| Number of students | 120 | 120 | 80 | 180 |
A) \[\frac{6}{25}\]
B) \[\frac{3}{25}\]
C) \[\frac{6}{35}\]
D) \[\frac{7}{25}\]
Correct Answer: A
Solution :
No. of students who scored less than 55 are those who scored \[\text{4}0\text{ }-\text{ 54}\] marks = 120. Total number of students = 120 + 120 + 80 + 180 = 500 \[\therefore \] The required fraction \[=\frac{120}{500}=\frac{12}{50}=\frac{6}{25}\]
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