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:

Mathematics 2015 CDS Elementary Mathematics 2015 CDS 2015

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