Hey beatthegmat community, I am new here and I am having problems figuring out these type of questions.

Do you guys have any good strategies in tackling these types of problems?

Much thanks in advance.



1. Is 6 a factor of n + 3?

(1) n is even and divisible by 3
(2) n is divisible by 6

OA:
D

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2. If x and y are positive integers, is xy evenly divisible by 4?

(1) y + 2 is divisible by 4.
(2) x - 2 is divisible by 4.

OA:
C