Quantitative Aptitude Ques 30

Question: If n is a natural number, then $ (6n^{2}+6n) $ is always divisible by

Options:

A) Only 6

B) Both 6 and 12

C) Only 12

D) Only 18

Show Answer

Answer:

Correct Answer: B

Solution:

  • $ (6n^{2}+6n)=6n,(n+1) $ which is always divisible by 6 and 12 both, since $ n,(n+1) $ is always even.