Square root of a-3 plus 5 = a

1.41421356237

Step-by-step explanation:

-3 + 5 = 2

square root of 2 = 1.41421356237

(i) Maximum number of students : 32

Watched TV for (4−5) hours

(ii) Students who watched TV for less than 4 hours belong to category : 1−2hrs,2−3hrs or 3−4hrs.

Total number of student: 4+8+22

=34

(iii) The students who watched TV for more than 5 hours: Category - 5−6 or 6−7 hours

Total number of students: 8+6=14

Step-by-step explanation:

hope it helps you :)