What is the sum of all even integers greater than 100 and less than 1000?

Question

asked May 11, 2024 222k views

1 Answer

Andy Williams · Answer 1 · 2024-05-17T01:15:06+0000

Answer:

Formula is : an = a1 + ( n-1) d

starting (a1) = 101 , ending (an = 999)

999 = 101 + (n-1)

n = 450

formula is : s = ( n /2 ) ( a1 + an )

= (450/2) (101 + 999)

Explanation: