The difference between a two digit number and the number obtained by interchanging the digits is 72. What is the difference between the digits of the number?
Choose the correct choice from the following choices.
A) 7
B) 5
C) 6
D) 8
E) 9
8escription :   =&gt; (10x+y)-(10y+x)=72   =&gt; 9(x-y)=72   =&gt; x-y = 8   Answer 8
<result>D</result>
The difference between a two digit number and the number obtained by interchanging the digits is 72. What is the difference between the digits of the number?