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# Is k = 2m? (1) km < 0 (2) k + 2m < 0

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Manager
Joined: 21 Oct 2017
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Location: France
Concentration: Entrepreneurship, Technology
GMAT 1: 750 Q48 V44
GPA: 4
WE: Project Management (Internet and New Media)
Is k = 2m? (1) km < 0 (2) k + 2m < 0  [#permalink]

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Updated on: 26 Nov 2017, 00:54
1
00:00

Difficulty:

75% (hard)

Question Stats:

42% (01:45) correct 58% (01:31) wrong based on 74 sessions

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Is k = 2m?

(1) km < 0

(2) k + 2m < 0

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October 9th, 2017: Diagnostic Exam - Admit Master (GoGMAT) - 640
November 11th, 2017: CAT 1 - Admit Master (GoGMAT) - 700
November 20th, 2017: CAT 2 - GMATPrep - 700 (Q: 47, V: 40)
November 25th, 2017: CAT 3 - Admit Master (GoGMAT) - 710 (Q: 48, V: 40)
November 27th, 2017: CAT 4 - GMATPrep - 720 (Q: 49, V: 40)

December 4th, 2017: GMAT Exam - 750 (Q: 48, V: 44, IR: 8, AWA: 6)

Originally posted by Hadrienlbb on 25 Nov 2017, 14:48.
Last edited by Bunuel on 26 Nov 2017, 00:54, edited 1 time in total.
Renamed the topic, edited the question and moved to DS forum.
Math Expert
Joined: 02 Aug 2009
Posts: 7334
Re: Is k = 2m? (1) km < 0 (2) k + 2m < 0  [#permalink]

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26 Nov 2017, 00:25
1
Is $$k = 2m$$?

1. $$km < 0$$

2. $$k + 2m < 0$$

1) km<0
This means both k and m are of DIFFERENT sign.
But k=2m requires both k and m to be of SAME sign..
Ans NO
Sufficient
2) k + 2m<0..
If m is -ive and equal to 1/2 k, it is possible
Even if k < 2m say k = -8 and 2m is -4, it is possible
Insufficient

A
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1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html
4) Base while finding % increase and % decrease : https://gmatclub.com/forum/percentage-increase-decrease-what-should-be-the-denominator-287528.html

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Re: Is k = 2m? (1) km < 0 (2) k + 2m < 0  [#permalink]

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26 Nov 2017, 08:45
Is k = 2m?

(1) km < 0

(2) k + 2m < 0

This is a delightfully awesome question. May I ask from where did you get it?
Manager
Joined: 21 Oct 2017
Posts: 82
Location: France
Concentration: Entrepreneurship, Technology
GMAT 1: 750 Q48 V44
GPA: 4
WE: Project Management (Internet and New Media)
Re: Is k = 2m? (1) km < 0 (2) k + 2m < 0  [#permalink]

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28 Dec 2017, 00:45
BillNella89 wrote:
Is k = 2m?

(1) km < 0

(2) k + 2m < 0

This is a delightfully awesome question. May I ask from where did you get it?

Hi Bill,

Truthfully I can't totally remember where it came from. It might have been from the GoGMAT online platform or my AdmitMaster course... But I can't say for sure. In any event, I'm really glad you enjoyed it and it helped in your study.

By the way, congratulations on getting accepted at HEC Paris. I hope your other applications will go well too and give you several options to choose from!

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Please Press +1 Kudos if it helps!

October 9th, 2017: Diagnostic Exam - Admit Master (GoGMAT) - 640
November 11th, 2017: CAT 1 - Admit Master (GoGMAT) - 700
November 20th, 2017: CAT 2 - GMATPrep - 700 (Q: 47, V: 40)
November 25th, 2017: CAT 3 - Admit Master (GoGMAT) - 710 (Q: 48, V: 40)
November 27th, 2017: CAT 4 - GMATPrep - 720 (Q: 49, V: 40)

December 4th, 2017: GMAT Exam - 750 (Q: 48, V: 44, IR: 8, AWA: 6)

Re: Is k = 2m? (1) km < 0 (2) k + 2m < 0   [#permalink] 28 Dec 2017, 00:45
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