The marks obtained by 80 students of Class X in a mock test of Mathematics are given below in the table:
Marks Number of students
0 and above 80
10 and above 77
20 and above 72
30 and above 65
40 and above 55
50 and above 43
60 and above 28
70 and above 16
80 and above 10
90 and above 8
100 and above 0


Find the median and the mode of the data