You have to answer this question before its comments can be revealed, this way we won’t spoil the answer for you.
CAT 2009 Online Preparation
and are each positive integers. When is divided by 3, the remainder is 1, and when is divided by 12, the remainder is 4. If , then what must be true about y?I. y is evenII. y is oddIII. y is divisible by 3
I only
I and III only
II and III only
II only
III only