Question

What is the sum of first 100 natural numbers? Select one: 5050 5000 5100 5060?

Answer 1

Answer:

5050

Step-by-step explanation:

formula =(n)(n+1)÷(2)

=(100)(101)÷(2)

=5050

Answer 2

Answer:

1 to100 natural number T1=1,d=1 Sn=100

we know that Sn=n÷2(2a+(n-1)×d)

Step-by-step explanation:

S100=100÷2(2×1+(100-1)×1)=50×(2+99)×1=50×101=5050