On dividing 100 by a number, the quotient is 9 and the remainder is 1. Find the divisor?  Pick one
A) 10  B) 11  C) 12  D) 13  E) 14

Rationale: "d = ( d - r ) / q = ( 100 - 1 ) / 9 = 99 / 9 = 11 b )"
Answer: B