The following histogram shows the marks scored by 40 students in a test of 30 marks. A students has to score a minimum of 10 marks to pass the test ,
How many students have passed the test and obtained less than 50% marks ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 7
students have to score a minimum of 10 marks to pass the test and obtained less than 50% marks i.e. 15
so, required numbers of students = 7