Instructions
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
Question 116
What is the average number of students who attend the Maths . classes taking all
the schools together ?
Solution
Total no. of students taking Maths classes in all the schools together = 80+60+120+100 = 360
Required Average = 360/4 = 90
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