Hi,
From(1): 4x=3y
if x=3, y=4 then x<y
if x=-3, y=-4 then x>y
Not sufficient
From(2): |y - x| = x - y
So, (x-y) >= 0
Not sufficient
Both(1)&(2): (x-y) cannot be zero.
So, x-y>0
Sufficient
Hence, C
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Source: Beat The GMAT — Data Sufficiency |
Answer : BAnkitK wrote:If xy ≠0, is x > y?
(1) 4x = 3y
(2) |y - x| = x - y
2nd Statement is sufficient.
| y - x | = x - y
will give 2 solutions
x = y
and 0 = 0.
Since x = y , so x is not greateer than y.
Hi,phoenix111 wrote:Answer : BAnkitK wrote:If xy ≠0, is x > y?
(1) 4x = 3y
(2) |y - x| = x - y
2nd Statement is sufficient.
| y - x | = x - y
will give 2 solutions
x = y
and 0 = 0.
Since x = y , so x is not greateer than y.
| y - x | = x - y means x-y >= 0
x=y is just one of the solutions
Take, x=2, y=1, | y - x | = |1-2| = 1 = x - y
So, x-y >= 0 is not sufficient to say check whether x-y > 0. So, we need both statements.
Cheers!
Things are not what they appear to be... nor are they otherwise
Things are not what they appear to be... nor are they otherwise
ohh yes !! Thanks...thats silly of me.Frankenstein wrote:Hi,phoenix111 wrote:Answer : BAnkitK wrote:If xy ≠0, is x > y?
(1) 4x = 3y
(2) |y - x| = x - y
2nd Statement is sufficient.
| y - x | = x - y
will give 2 solutions
x = y
and 0 = 0.
Since x = y , so x is not greateer than y.
| y - x | = x - y means x-y >= 0
x=y is just one of the solutions
Take, x=2, y=1, | y - x | = |1-2| = 1 = x - y
So, x-y >= 0 is not sufficient to say check whether x-y > 0. So, we need both statements.
