Marks scored by a student in different subjects are given in the table below Subjects Marks obtained out of 100. English 55 Hindi 90 Mathematics 75 Science 80 Foreign language 90 Five marks are to be deducted from each subject due to shortage of attendance. The net average of the mean, median and mode of the marks obtained is _____.

79.33 77.67 82.66 73

77.67