A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:	Choose the correct option:
A) 3
B) 5
C) 9
D) 11
E) 13
Let the ten's digit be x and unit's digit be y.   Then, number 10x + y.   Number obtained by interchanging the digits = 10y + x.   (10x + y) + (10y + x) = 11(x + y)   which is divisible by 1   ANSWER:11
<result>D</result>
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: