Question

Find the sum of all natural number between 200/150 which are exactly division by 3

Answer 1

it,s a ap formed in between 150 to 200

153,156,159...........198

L=a+(n-1)d

198=153+(n-1)3

45/3=(n-1)

16=n

sum=n/2(a+L)

=8(153+198)

=8(351)=2808

anwer is 2808

Answer 2

2808 I guess .............
Hope it helps u