Question

J20
50. Find the sum 1+2+3+..........+100.
(B) 10000
(C) 5050
(D) 6000​

Answer 1

Answer:

5050is the answer

Step-by-step explanation:

(n(n+1))/(2)

is to find the sum of digits

here n=100

sub in the formula (100(100+1))/(2)

50(100+1)

=5050