Question

1 +2+3+4+5+6+7..........................+100

Answer 1

ANSWER:
the sum of 1+2+3+4+5+6+7.........................................+100
=5050

by formulae s= n (n+1)÷2
=100 (100+1)÷2
=5050

HOPE THIS HELPS U.

Answer 2

Hey there !

1+2+3+.....+100

Sum of first n natural numbers is n(n+1)/2

Hence Sum of first 100 natural numbers =100(100+1)/2=50*101=5050

Therefore ,1 +2+3+4+5+6+7..........................+100=5050