The following table shows the marks obtained by 100 students of class X in a school during a particular academic session. Find the mode of this distribution. ** **

**Marks No. of students**

Less than 10 7

Less than 20 21

Less than 30 34

Less than 40 46

Less than 50 66

Less than 60 77

Less than 70 92

Less than 80 100

**Marks No. of students**

Less than 10 7

Less than 20 21

Less than 30 34

Less than 40 46

Less than 50 66

Less than 60 77

Less than 70 92

Less than 80 100