The histogram shows the marks scored by 40 students in a test with maximum 30 marks. What is the percentage of the students who scored less than 20 marks?

50 25 87.5 62.5

62.5

Total number of students = 40 Number of the students who scored less than 20 marks = 2 + 8 + 7 + 8 = 25 Required percentage = \(\frac{25 }{40}\) × 100 = 62.5%