The following histogram shows the marks scored by 40 students in a test of 30 marks. A student has to score a minimum of 10 marks to pass the test.
What is the percentage of students who scored 20 or more marks? (correct to one decimal place)
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 37.5%
Number of students who scored 20 or more marks = 15
Thus, their percentage = (15)/40 × 100 = 300/8 = 37.5%