difference between a two - digit number and the number obtained by interchanging the two digits is 36, what is the difference between two numbers	Pick one.
A) 2  B) 4  C) 8  D) 12  E) 14
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">36 / 9</gadget>
<output>4</output>

<result>B</result>
difference between a two - digit number and the number obtained by interchanging the two digits is 36, what is the difference between two numbers
divide(36, subtract(const_10, const_1))
explanation : let the ten digit be x , unit digit is y . then ( 10 x + y ) - ( 10 y + x ) = 36 = > 9 x - 9 y = 36 = > x - y = 4 . option b