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The average of first 123 odd natural numbers, is:
Question

The average of first 123 odd natural numbers, is:

A.

124

B.

123.5

C.

123

D.

122.5

Correct option is C

Given:

The first 123 odd natural numbers.

Formula Used:

The sum of the first n odd numbers is n2

Solution:

Sum of the first 123 odd numbers= 1232=15129123^2 = 15129

Average =15129123=123 \frac{15129}{123} = 123

The average of the first 123 odd natural numbers is 123.

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