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 250 marks is what per cent more than the number of students who obtained 400 or more marks? (correct to one decimal place)

114.3%

Number of students obtained less than 250 marks = 30 + 45 = 75

Number of students obtained 400 or more marks = 35

Required percentage  = \(\frac{75 - 35 }{35}\) × 100

= \(\frac{40 }{35}\) × 100

= 114.3%