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 codes
- 1 and 2 only
- 2 and 3 only
- 1 and 3 only
- 1,2 and 3