Question

The following data relate to the marks of a group of
Marks :
Below 10 Below 20 Below 30 below 40 below 50
No. of students :
15
38
65
84
100
How many students got marks more than 30

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Answer 1

Answer:

below 50 are 100 and below 30 are

65

so, more than 30 are 100-65=35students

pls mark as brainliest

Answer 2

184 Students got marks of more than 30  

Explanation:

Given:

      Marks                 No.of Students

1    Below 10                  15

2   Below 20                  38

3   Below 30                  65

4   Below 40                  84

5   Below 50                  100

To find:

How many students got marks more than 30

==> Add Below 40 and Below 50

==> More than 30 = Below 40 + Below 50

==> More than 30 = 84 + 100

184 Students got marks of more than 30