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ern5231 wrote:1)X is a positive integer and Y is a negative integer. Is |XY|=3?
(1) | x+y | = 3
(2) | |x|-|y| | = 3
Answer is D.
The stem asks if |XY| = 3,
when will a product of two integers equal 3?
only if one of them is +-1 and the other is +-3
Since we know X is +ve, X could be +3 or +1 and Y could be -1 or -3.
Now look at Statement (1) |X+Y| = 3
with the possible values of X and Y, it is clear that statement 1 cannot be satisfied. So |XY| is not equal to 3
Statement 2 is basically the same as statement 1.
2) Is x> y?
(1) IxI > IyI
(2) Ix-yI = x - y
Statement 1 is insufficient.
Statement 2 would only be true if X > Y. So answer is B.
Let me know if these answers are correct.
