Q634
The sum of three consecutive natural numbers is always divisible by . . . . . . . .?
A.
3
AnswerB.
9
C.
15
D.
21
Answer: Option A
Solution
Answer: Option A
Solution:
Let the number be x, x + 1, x + 2Sum = x + x + 1 + x + 2
= 3x + 3
= 3(x + 1)
It is always divisible by 3