The difference between a two-digit number and the number after interchanging the position of the two digits is 45. What is the difference between the two digits of the number?  Pick one
A) 4	B) 6	C) 5	D) Cannot be determined	E) None of these
Let the two-digit no. be l0x + y.   Then, (10x + y) â€“ (10y + x) = 45   or, 9(x â€“ y) = 45   or, x â€“ y = 5   Answer 5
<result>C</result>
The difference between a two-digit number and the number after interchanging the position of the two digits is 45. What is the difference between the two digits of the number?