1. 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 ?






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  • By: anil on 05 May 2019 01.36 am
    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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