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w>x>0>y>z

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Carcass
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w>x>0>y>z [#permalink] New post   Updated on: 29 Nov 2024, 05:32
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\(w>x>0>y>z\)

Quantity A
Quantity B
\(w+y\)
\(x+z\)



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
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D

Originally posted by Carcass on 31 Jan 2022, 05:00.
Last edited by Carcass on 29 Nov 2024, 05:32, edited 1 time in total.
Fixed OA
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GreenlightTestPrep
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Re: w>x>0>y>z [#permalink] New post   31 Jan 2022, 06:35
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Carcass wrote:
\(w>x>0>y>z\)

Quantity A
Quantity B
\(w+y\)
\(x+z\)



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


Useful property: If two inequalities are such that their inequality symbols are facing the same direction, we can ADD those inequalities.

From the given inequality, we can make the two following conclusions:
w > x
y > z

Since the inequality symbols are facing the same direction, we can ADD those inequalities to get: w + y > x + z

Answer: A
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Re: w>x>0>y>z [#permalink] New post   29 Nov 2024, 03:12
1
the |y| can be greater or lesser than w right
so why is it not option D
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Re: w>x>0>y>z [#permalink] New post   29 Nov 2024, 05:31
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I agree

If we take the inequality by chunk we do know that

\(w>x>0\)

and they are positive

\(0>y>z\)

And they are negative

However we do know the magnitude of the numbers

Could be anything

For example

w=10 nd x=3

y=-3 and z=-4

w+y=7

x+z=-1

The answer is A

BUT if we have

w=10 and y -3 we have w+y=7

and x=9 and z=-2 and x+z=7

And the answer is C

I agree that it is D the OA
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gmatclubot
Re: w>x>0>y>z [#permalink]
29 Nov 2024, 05:31
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