Difference between a two-digit number and the number obtained by interchanging the two digits is 36, what is the difference between two numbers	Options
A) 2 B) 4 C) 8 D) 12 E) 14

Rationale: 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
Answer: B