Find the sum of all even numbers from 1 to 20?
Soln Date / Update:-21-Jul-2025 07:41AM
Solution:-
Find the sum of all even numbers from 1 to 20?
(A) 123 (B) 156
(C) 110 (D) 132
Soln:-
Formula:- Sum of even number = n ( n + 2 ) / 4
= 20 ( 20 + 2 ) / 4
= 20 ( 22 ) / 4
= 5 * 55
= 110 Ans.