what is the sum of even 20 natural number
Answers
Answered by
0
Answer:
the sum of even natural numbers 2+4+6+8+....+40
is 420....
is the answer for your question ...
Answered by
1
Answer:
S20=420
Step-by-step explanation:
Even natural numbers=>,2,4,.......40.
a1=2, a2=4, a20 (last term)=40, n=20
d=a2-a1=4-2=2
Using sum formula
Sn=n/2(a+l)
S20=20/2(2+40)
S20=420
Similar questions