Question

find the sum of 1+2+3+...+30​

Answer 1

$Answer$

The Given Series is in A.P

So, it's sum is given by n(n+1)/1

where n is number of terms.

here n = 30

=> 30(30+1)/2

=> 15*31

=> 15(15+16)

=> 15*15 + 15*16

=> 225 + 240

= 465

Answer 2

Answer:

Hello

The answer is 465

Hope it will help u

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