The difference between a two digit number and the number obtained by interchanging the positions of its digit is 36. What is the difference between the two digits of that number? Options.
A) 3
B) 4
C) 9
D) 8
E) 7
Let the ten’s digit be x   Unit’s digit be y   Then (10x+y)-(10y+x)=36   9(x-y)=36   x-y=4   Option 4
<result>B</result>
The difference between a two digit number and the number obtained by interchanging the positions of its digit is 36. What is the difference between the two digits of that number?