X, Y and Z are 3 distinct even integers ranging from 1 to 25. Which of the following is necessarily true?

1.         XY/Z is an even integer.          

2.         17XY3 is an even integer

3.         8 YX/Z is an even integer

4.         3Y(ZX) is an even integer

  • Option 1)

    1 \: only

  • Option 2)

    3\:only

  • Option 3)

    4 \: only

  • Option 4)

    Both\: 2\: and \: 4

  • Option 5)

    2 \: only

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