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

1.         X^Y/Z is an even integer.

2.         17XY³ is an even integer

3.         8 Y^X/Z is an even integer

4.         3Y(Z^X)is an even integer

Option 1)

$1 \: only$

Option 2)

$3\:only$

Option 3)

$4 \: only$

Option 4)

$Both\: 2\: and \: 4$

Option 5)

$2 \: only$

Answers (1)

Only 2 and 4 are true because they are multiple of 2.

Posted by

Satyajeet Kumar

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