On dividing 109 by a number, the quotient is 9 and the remainder is 1. Find the divisor.
Choose the correct choice:  A) 10  B) 11  C) 12  D) 13  E) 15
d = (D-R)/Q   = (109 - 1)/9   = 108/9= 
<gadget id="calculator">108/9</gadget>
<output>12</output>
12   12
<result>C</result>
On dividing 109 by a number, the quotient is 9 and the remainder is 1. Find the divisor.