Let x and y be positive integers such th...

Let x and y be positive integers such that x is prime and y is composite. Which of the following statements are correct ?
1 (y-x) can be an even integer
2 xy can be an even integer
3 0.5 (x+y) can be an even integer
Select the correct answer using the code given below:

A

1 and 2 only

B

2 and 3 only

C

1 and 3 only

D

1,2 and 3

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