Answers

2016-05-03T19:48:49+05:30
1/6 th of the class students = 1/6 × 48 = 8
1/4 th of the class students = 1/4 × 48 = 12
Remaining students are below average = 48-(8+12)
⇒48-(20)
⇒28.
Therefore,28 students are below average in the class.

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2016-05-03T19:58:19+05:30
Given 1/6 are above average of 48 students
1/6*48
=8 students are above average students
Below average=1/4*48
=12
TBelow avg=Total- abve avg+belw avg
=48-20
=28
Therefore 28 students are below sverage of 48 total students
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