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What is the average of natural numbers from 1 to 73?
Question

What is the average of natural numbers from 1 to 73?

A.

28

B.

37

C.

30

D.

34

Correct option is B

Average=Sum of termsn\frac{Sum\, of \,terms}{n}​​
Sum=n(n+1)2\frac{n(n+1)}{2}​​
So, for n=73

Sum= 73(73+1)2\frac{73⋅(73+1)}{2}​==2701


Average=270173\frac{2701}{ 73}​=37

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