The marks obtained by a student in five examinations are 90, 92, 93, 95 and 90. Find his average marks.

The marks obtained by a student in examinations are given below : 80, 72, 84, 79, 90 find the average marks of the student

The Table given below presents the marks obtained by three students in five examinations . What is the average of marks obtained by S3 per exam ?

The average marks obtained by 240 students in a certain examination is 35. If the average marks of the passed candidates are 39 and that of the failed candidates are 15, then the total number of candidates who passed the examination is:

The average marks obtained by 120 students in an examination is 30. If the average marks of passed students is 40 and that of the failed students is 10, what is the 25% of the number of students who passed the examination?

The average marks obtained by 150 students in an examination is 40. If the average marks of passed students is 60 and that of the failed students is 20, then what is the number of students who passed the examination?

The marks obtained in 4 subjects in an examination are 200. If the average of marks obtained in 3 subjects is 48, then how many marks are obtained in fourth subject?