Question

Commissioner of Regional office Jaipur prepared a table of the performance of students studying in Kendriya Vidyalya. He was informed that the average marks of studentsis53.
MARKS 0-20 20-40 40-60 60-80 80-100 100-120
NO. OF STUDENTS 15 18 21 29 p 0

1)How many students got above 80 percent a) 17 b) none c) 53 d) 80
2)What is the lower limit of the modal class a)20 b) 40 c) 60 d) 80
3)The class size is a) 10 b) 20 c) 100 d)120
4)The class mark of the third class interval isa) 40 b) 50 c) 60 d) none of the above

Answer 1

list two features that helit to survive in muddy waters. what is this phenomenon called?​

Answer 2

Answer:

1. d) 80.

2. b) 40.

3. c) 100.

$thanks$