The difference between a two-digit number and the number after interchanging the position of the two digits is 27. What is the difference between the two digits of the number? Pick.
A) 4  B) 6  C) 3  D) Cannot be determined  E) None of these
Let the two-digit no. be l0x + y.   Then, (10x + y) â€“ (10y + x) = 27   or, 9(x â€“ y) = 27   or, x â€“ y = 3   Answer 3
<result>C</result>
The difference between a two-digit number and the number after interchanging the position of the two digits is 27. What is the difference between the two digits of the number?