In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient?	Pick one:
A) 0  B) 12  C) 13  D) 20  E) 25

Rationale: 12 * 35 = 420 420 % 21 = 20 answer : d
Answer: D