* Tricky DS Question

[akhilabat]

If K is a set of integers such that if the integer r is in K, then r + 1 is also in K. Is 100 in K?

(1) 50 is in K.
(2) 150 is in K.

I marked E. Since the no. of integers in the set is not defined. However, the answer is A.

[RonPurewal]

hello,
please read the forum rules (top thread in this folder) before posting.

per those rules, please post the original source of this problem within the next week. otherwise, we'll have to delete the thread, to make sure we aren't running afoul of copyright rules.

thanks!