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The given chart shows the number of students in Class 4, Class 5, Class 6 and Class 7 who got first class, second class and failed in the final examinations.

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What is the pass percentage of Class 4?

A94.66%

B91.23%

C90.45%

D95%

Answer:

D. 95%

Read Explanation:

Solution:

Given:

 

First-class

Second class

Third class

Class 4

45

12

3

Class 5

38

15

7

Class 6

42

10

8

Class 7

30

25

5

Concept used:

Total number of student in class 4 = 45 + 12 + 3 = 60 

Number of student who passed in class 4 = 45 + 12 = 57 

Pass percentage of class 4 $= (\frac{57}{60})\times{100}$= 95% 

∴ The pass percentage of class 4 is 95% 


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