Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.
The number of students who obtained less than 350 marks is what per cent more than the number of students who obtained 400 or more marks?
(correct to one decimal place)
Option 1: 350%
Option 2: 100%
Option 3: 385.7%
Option 4: 375.8%
Correct Answer: 385.7%
Solution :
Number of student obtained less than 350 = (30 + 45 + 60 + 35) = 170
Number of students obtained 400 or more = 35
The difference between the number of students who obtained less than 350 and the number of students who obtained 400 or more = (170 - 35) = 135
Required percentage = $\frac{135}{35}$ × 100 = 385.714% ≈ 385.7%
$\therefore$ The required percentage is 385.7%
Hence, the correct answer is 385.7%.
