Math, asked by Vaishnavinandan1605, 7 months ago


Find the following Sums.
a) 1+2+3+.......+20
(6) 2+4 +6+........+40
(C 3+6+9+ ........+60

Answers

Answered by appychiru
2

Answer:

use the formula as n(n+1)/2

then you will get the answer..

I hope this answer helps you maa..

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