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Find the sum of first 30 natural numbers

A. 470

B. 468

C. 465

D. 463

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Correct Answer :

C. 470

S u m o f n n a t u r a l n u m b e r s = \frac{n (n + 1)}{2} = \frac{30 (30 + 1)}{2} = \frac{30 (31)}{2} = 465

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