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If x and y are positive, is y<2? 1) x>2y 2) x<y+2

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Director
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If x and y are positive, is y<2? 1) x>2y 2) x<y+2 [#permalink]

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New post 01 Feb 2005, 03:52
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If x and y are positive, is y<2?

1) x>2y
2) x<y+2

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Manager
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New post 01 Feb 2005, 04:26
let s take two possible positive integer for x
x=8 or x=1

i. no sufficient

y<4 or y<1/2

ii. not sufficient
y>6 or y>-1

so E, i guess

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Manager
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New post 01 Feb 2005, 06:39
i think am way off cause the solution came too easy?????

1- x>2y INS could be range of #s

2- x<y + 2 INS same as above

COMBINED we get (and i hope this is right)

2y<y + 2

y<2 SUFFICIENT

It cant be that easy. someone wake me up please

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VP
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New post 01 Feb 2005, 08:26
"C"

state 1.....x = 10...y<5.......x = 2.....y <1......insuff

state 2......x = 10.....y > 8......x = 2....y > 1....insuff

combine.....we have x > 2y......eqn 1
change the statement 2......like this......-x > -y-2...........eqn2

Add eqn 1 and 2

0 > y -2.........y<2....suff

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SVP
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New post 01 Feb 2005, 08:29
(I) insff
(II) insf
Combined:
y>x-2
x>2y
y>2y-2
y<2

Sufficient

(C)

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Manager
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New post 01 Feb 2005, 09:18
GREAT this was simple!

i have learned more in 3 days here than.............

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Director
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New post 01 Feb 2005, 13:09
C..

1) x>2y
2) x<y+2

2y<X<y+2
2y<Y+2
y<2..
right!

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  [#permalink] 01 Feb 2005, 13:09
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