On dividing 122 by a number, the quotient is 6 and the remainder is 2. Find the divisor?  Pick one:
A) 14
B) 16
C) 18
D) 20
E) 22

Rationale: "d = ( d - r ) / q = ( 122 - 2 ) / 6 = 122 / 6 = 20 d )"
Answer: D