Question

find the sum of 1+2+3+.......60​

Answer 1

Answer:

1830

Step-by-step explanation:

We can use A.P. to solve this question.

a = 1, d = 1, l = 60, n = 60

$Sum$ = $\frac{n}{2}(a + l)$

        = $\frac{60}{2}(1 + 60)$

        = $30(61)$

        = $1830$

Hope this helps!! Pls mark as brainliest!!

Answer 2

Answer:

1830

Step-by-step explanation:

n(n+1)/2

=60(60+1)/2=60*61/2=30*61=1830

Please follow me and like it and make me brainliest