Question

What is the sum of the first ten odd natural numbers?
(A) 10
(B) 50
(C) 75
(D) 100
​

Answer 1

Answer:

To find the sum of first n odd numbers we can apply odd number theorem, it states that the sum of first n odd numbers is equal to the square of n. if we apply odd number theorem: sum of first 10 odd numbers = n * n = 10 * 10 = 100.

Answer 2

Explanation:

${ \huge\fbox \pink {A}\fbox \blue {n} \fbox \purple {s} \fbox \green{w} \fbox \red {e} \fbox \orange {r}}$

(D) 100

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