Directions: Study the given histogram that shows the marks obtained by students in an examination and answer the following question.
The number of students who obtained less than 250 marks is what percent more than the number of students who obtained 400 or more marks?
( correct to one decimal place )
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 14.3%.
The number of students who obtained less than 250 marks = 30
The number of students who obtained 400 or more marks = 35
Required percentage = (35 - 30)/35 × 100
⇒ 5/35 × 100
⇒ 100/7 = 14.28% or 14.3%