Answer : Option BExplaination / Solution:
When n = 1 the value is 3 and when n = 2 the value is 12. So the value of the expression when n = 1,2,3.... are multiples of 3 . hence it is divisible by 3.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0