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What is the value of N?

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What is the value of N? [#permalink] New post 23 Jan 2011, 01:51
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A
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Question Stats:

72% (02:01) correct 28% (01:14) wrong based on 69 sessions
What is the value of N?

(1) (N + 5)^3> 0
(2) (N - 5)^2≤ 0
[Reveal] Spoiler: OA

Last edited by MichelleSavina on 23 Jan 2011, 02:19, edited 1 time in total.
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Re: Q) What is the value of N? [#permalink] New post 23 Jan 2011, 02:15
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Expert's post
MichelleSavina wrote:
Q) What is the value of N?
(1) (N + 5)3> 0
(2) (N - 5)2≤ 0



Please Explain...


What is the value of N?

In order the answer to be B it should be as follows:

(1) (N + 5)^3> 0 --> n+5>0 --> n>-5, not sufficient to determine single numerical value of n.

(2) (N - 5)^2≤ 0 --> as square of a number is always non-negative (zero or positive), then (n-5)^2 can not be less than zero thus it must equal to zero: n-5=0 --> n=5. Sufficient.

Answer: B.

MichelleSavina please check the questions for typos when posting.
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Re: Q) What is the value of N? [#permalink] New post 23 Jan 2011, 02:22
Bunuel wrote:

What is the value of N?

In order the answer to be B it should be as follows:
.....

:thanks
edited it.... next time will check it before i post it :)
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data sufficency Q ..please attempt and give the answer [#permalink] New post 23 Mar 2013, 12:46
What is the value of N?

(1) (N+5) ^3 >0

(2)(N-5)^2 >= 0
[A] Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
[B] Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
[C] BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
[D] EACH statement ALONE is sufficient to answer the question asked.
[E] Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.


-------------
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Re: data sufficency Q ..please attempt and give the answer [#permalink] New post 23 Mar 2013, 15:53
Expert's post
tgt2012 wrote:
What is the value of N?

(1) (N+5) ^3 >0

(2)(N-5)^2 >= 0
[A] Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
[B] Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
[C] BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
[D] EACH statement ALONE is sufficient to answer the question asked.
[E] Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.


-------------
help me to get kudos :)


Merging similar topics. Please refer to the solutions above.
_________________

NEW TO MATH FORUM? PLEASE READ THIS: ALL YOU NEED FOR QUANT!!!

PLEASE READ AND FOLLOW: 11 Rules for Posting!!!

RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders; 11. GMAT Prep Software Analysis NEW!!!; 12. SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) NEW!!!; 12. Tricky questions from previous years. NEW!!!;

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


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Re: data sufficency Q ..please attempt and give the answer   [#permalink] 23 Mar 2013, 15:53
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