X Y
+Y X
________
The sum of the two digit numbers above is a three digit number PQ1, where each letter X, Y, P, and Q represents a different non zero digit. Which of the following can be the value of X?
I)	7
II)	8
III)	9	Choose the correct choice
A) I only B) II only C) III only D) I and II only E) all I , II and III
it can be a combination of 9,2 or 8,3 or 7,4   I choose all I , II and III as an answer.
<result>E</result>
X Y
+Y X
________
The sum of the two digit numbers above is a three digit number PQ1, where each letter X, Y, P, and Q represents a different non zero digit. Which of the following can be the value of X?
I)	7
II)	8
III)	9