Math, asked by ShaikhAashif, 1 month ago

What is the sum of first 15 natural numbers?

Answers

Answered by Dhriti272

0

Answer:

The number series 1, 2, 3, 4, . . . . , 14, 15. Therefore, 120 is the sum of positive integers upto 15.

Answered by samikshajain35

0

Answer:

Answer is 120

Step-by-step explanation:

The sum of first n natural numbers is 2n(n+2)/2

215(16)/2

=15×8=120

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