If m = ||n – 3| – 2|, for how many values of n is m = 5? Choose the correct choice from the following:
A) 5  B) 4  C) 2  D) 3  E) 1

Rationale: m = | | n – 3 | – 2 | can be 4 only and only when n - 3 = + / - 7 . so there are 2 values of n answer : c
Answer: C