The histogram below represents marks of students in a Mathematics exam with passing marks as 30. How many students failed in the exam?

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Solution

The correct option is B
14

If a student scores 30 marks, he is in class interval 30-45. Therefore, students who failed are in class interval 0-15 and 15-30.

So, total number of students who failed is (6 + 8) = 14.

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The histogram below represents marks of students in a Mathematics exam with passing marks as 30. How many students failed in the exam?

The correct option is B 14 If a student scores 30 marks, he is in class interval 30-45. Therefore, students who failed are in class interval 0-15 and 15-30. So, total number of students who failed is (6 + 8) = 14.

The correct option is B
14

If a student scores 30 marks, he is in class interval 30-45. Therefore, students who failed are in class interval 0-15 and 15-30.

So, total number of students who failed is (6 + 8) = 14.