Question : Directions: The histogram shows the marks obtained by 45 students of a class. look at the histogram and answer the questions.
If the pass mark is 30, what is the percentage of successful students?
Option 1: 75%
Option 2: 60%
Option 3: 50%
Option 4: 40%
Correct Answer: 60%
Solution :
Marks obtained by students above 30 = 3+8+4+7+5 = 27
Total students = 45
Percentage of pass students = $\frac{\text{Students who got more than 30}}{\text{Total students}}×100$
= $\frac{27}{45}×100$ = 60%
Hence, the correct answer is 60%.
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