The average of all odd numbers upto 100 is : Options: A . &nbsp49 B . &nbsp49.5 C . &nbsp50 D . &nbsp51

The average of all odd

Question

The average of all odd numbers upto 100 is :

Options:

A . 49

B . 49.5

C . 50

D . 51

Answer: Option C

Sum of odd number upto 100 = 1 + 3 + 5 + 7 + ..............................95 + 97 + 99.

= (1 + 99) + (3 + 97) + (5 + 95) +........................ + upto 25 pairs

= 100 + 100 + 100+ ......................... (25 times) = 2500.

`:.` Average = `(2500/50)` = 50.

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