Data Interpretation Ques 185

Directions : Study the following bar-diagram carefully and answer the questions given below it.

Number of students attending Maths and Science classes in four different schools

What is the average number of students who attend the Maths classes taking all the schools together?

(1) 90

(2) 80

(3) 85

(4) 75

(5) None of these

Show Answer

Correct Answer: (1)

Solution: (1)

Average number of students who attend Maths classes

$=\frac{80+60+120+100}{4}$ $=\frac{360}{4}=90$

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