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# Which is greater s+j or r+k

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Which is greater s+j or r+k [#permalink]  13 Aug 2019, 04:36
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Question Stats:

58% (00:29) correct 41% (00:24) wrong based on 43 sessions
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#GREpracticequestion Which is greater s+j or r+k.jpg [ 8.45 KiB | Viewed 587 times ]

 Quantity A Quantity B $$s+j$$ $$r+k$$

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.
[Reveal] Spoiler: OA

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VP
Joined: 20 Apr 2016
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WE: Engineering (Energy and Utilities)
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Re: Which is greater s+j or r+k [#permalink]  14 Aug 2019, 09:51
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Carcass wrote:
Attachment:
#GREpracticequestion Which is greater s+j or r+k.jpg

 Quantity A Quantity B $$s+j$$ $$r+k$$

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.

Here,

r and s are in 2nd quadrant, so r = negative value and s = positive value

Similarly,
j and k are in 4th quadrant, so j = positive value and k = negative value

QTY A : s + j = Positive value + Positive value = Positive value

QTY B : r + k = negative value + negative value = negative value

QTY A > QTY B
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Re: Which is greater s+j or r+k [#permalink]  15 Aug 2019, 13:51
For 2nd quardent, (-,+)
For 4rth quardent (+,-)

so for A , S+J= positive value+positive value = positive value
for B, R+K= negative value+negative value= negative value

positive value is always greater than negative value.
so A is greater.
Re: Which is greater s+j or r+k   [#permalink] 15 Aug 2019, 13:51
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