1/6 of the class students are above average, 1/4 are average and rest are below average. If there are 48 students in all, how many students are below average in the class.
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= students above average = 1/6 . 48 = 8
= students which are average = 1/4 . 48 = 12
total students = 12+8 = 20
student which are below average = 48-20 = 28. students.
= students which are average = 1/4 . 48 = 12
total students = 12+8 = 20
student which are below average = 48-20 = 28. students.
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