Re: Quant Review 2E -- Q#169

Thanks a lot Bunuel.
Now I got it.
My understanding is:

possible values of n = 12, 24, 36 and 48.
But it is 12 that can divide all the possible values of n. If we consider 48, it will not divide 12, 24 and 36.
Hence, 12 is the value that MUST divide n.

Thanks again.