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Find the average of the first 90 natural numbers?
50.5
45.5
35.5
40.5
Sum of first n natural numbers = [n(n+1)]/2 So, sum of first 65 natural numbers = (90 x 91 )/2 = 4095 Required average = 4095/90 = 45.5
By: bhavesh kumar singh ProfileResourcesReport error
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