Question

Find the average of 1/2,1/15and1/3.

Answer 1

we know that mean is the average of the given nos.

so. mean = [1/2+1/3+1/5+1/6] / 4

= [(15+10+6+5)/30] / 4

= (36/30)/4

= 36/30×4

= 36/120

= 6/20

so mean of these numbers is 6/20

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