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Detections (1-5): Study the following Table carefully and answer the questions given below:

Numbered of Students Passed and Failed in Five Classes of A School Over the Years

101. What is the average number of failed students from class VII for the given years?

(1) 27.5

(2) 28

(3) 26.5

(4) 26

(5) 24.5  (Ans)
 

Explanations :  The average number of failed students

= 14 + 22 + 19 + 25 + 29 + 38/6

= 147/6

= 24.5

102. What is the ratio between total number of passed students and total number of failed students for the year 2006?

(1) 3:1

(2) 56:23 (Ans)

(3) 67:13

(4) 68:35

(5) 339:137
 

Explanations :  Total number of passed students in 2006 = 336

Total number of failed students in 2006 = 138