1) If x = 1 - q and y = 2q + 1, then for what value of q, x is equal to y ? A) -1 B) 0 C) 1/2 D) 1 Answer: Option BExplanation:x = 1-q-----(1)y = 2q+1----(2)Put q = 0 in (1) and (2), we get,x = 1 and y = 1i.e x = y, $\therefore$ 0 is the right answer