Question

The sum of first 45 natural numbers is:

Answer 1

sum of first n natural numbers = n(n+1)/2
sum of first 45 natural numbers = 45(45+1)/2
                                              = 45*46/2 
                                              =45*23
                                              = 1035

Answer 2

Answer:

Hey buddy here's your answer

n(n+1)/2

It's formula to find natural no.

45(45+1)/2

45(46)/2

2070/2

1035 Answer.