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# inequalities

Author Message
Intern
Joined: 16 Nov 2016
Posts: 30
Location: India
GPA: 3.78
WE: Accounting (Accounting)

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02 Jul 2017, 18:28
00:00

Difficulty:

(N/A)

Question Stats:

100% (04:13) correct 0% (00:00) wrong based on 6 sessions

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If AB/7>1/14 and A =B Which of the following is greater than 1?

(A) A+B

(B)1-A

(C)2A^2

(D)A^2 -1/2

(E) A

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Director
Joined: 05 Mar 2015
Posts: 998

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02 Jul 2017, 19:18
muthappashivani wrote:
If AB/7>1/14 and A =B Which of the following is greater than 1?

(A) A+B

(B)1-A

(C)2A^2

(D)A^2 -1/2

(E) A

AB/7>1/14
AB>1/2
A^2 > 1/2
Substitute any simple value let A= 0.8/ -0.8....A^2 = 0.64

(A) 0.8 + 0.8 = 1.6-----but if A = -0.8 then A+B = - 1.6----(discard)

(C)2A^2 = 2* 0.64 -----1.28(keep it)

Ans C

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
inequalities   [#permalink] 02 Jul 2017, 19:18
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# inequalities

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