Question

1,2,3,4,........ Sum of first 35 natural integers is
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Answer 1

Answer:  360.........

Answer 2

Answer:

Sum of first n natural number =

$\frac{n(n + 1)}{2}$

Therefore, sum of first 35 natural number =

$\frac{35 \times 36}{2} = 35 \times 18 = 630$