On dividing 181 by a number, the quotient is 9 and the remainder is 1. Find the divisor?	Choose the correct choice from the following answers
A) A)12  B) B)15  C) C)16  D) D)17  E) E)20
d = (D-R)/Q   = (181 - 1)/9   = 180/9= 
<gadget id="calculator">180/9</gadget>
<output>20</output>
20   20)
<result>E</result>
On dividing 181 by a number, the quotient is 9 and the remainder is 1. Find the divisor?