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M02-22

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M02-22 [#permalink]

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New post 15 Sep 2014, 23:18
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

90% (00:19) correct 10% (00:26) wrong based on 181 sessions

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Kudos [?]: 135467 [0], given: 12695

Expert Post
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Re M02-22 [#permalink]

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New post 15 Sep 2014, 23:18
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Official Solution:


Statement (1) by itself is sufficient, and Statement (2) by itself is sufficient. The minimum distance is the diagonal \(AD\). By definition, a cube has all sides equal in length. Based on the Pythagoras theorem for triangles, \(d = a \sqrt{3}\), where \(a\) is the length of a side and \(d\) is the cube's diagonal. Therefore, knowing the length of one side of a cube is sufficient to know its diagonal.


Answer: D
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Re: M02-22 [#permalink]

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New post 15 Apr 2015, 04:45
Hello I am sort of new on this website and I have been seing these type of questions for a while, however I don't know how to answer them... How do you know the answer is D? all I saw was
(1) BC=4
(2) AB=4
In other words, I didn't see any multiple choice from a to e...
Can someone help me understand how this works?
Thanks

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Re: M02-22 [#permalink]

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New post 15 Apr 2015, 04:52
eisman19 wrote:
Hello I am sort of new on this website and I have been seing these type of questions for a while, however I don't know how to answer them... How do you know the answer is D? all I saw was
(1) BC=4
(2) AB=4
In other words, I didn't see any multiple choice from a to e...
Can someone help me understand how this works?
Thanks


Hi, and welcome to GMAT Club.

This is a data sufficiency question. Options for DS questions are always the same.

The data sufficiency problem consists of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements, plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of the word counterclockwise), you must indicate whether—

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.

I suggest you to go through the following post ALL YOU NEED FOR QUANT.

Hope this helps.
_________________

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Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

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.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

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Re M02-22 [#permalink]

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New post 27 Jul 2017, 17:41
I think this is a poor-quality question and I don't agree with the explanation. hi, nowhere it is mentioned that this is a regular cube, without that explicitly stated, we cant deduce the answer.

Pls help me understand, if otherwise.

Thanks

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M02-22 [#permalink]

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New post 27 Jul 2017, 19:49
nitin083 wrote:
I think this is a poor-quality question and I don't agree with the explanation. hi, nowhere it is mentioned that this is a regular cube, without that explicitly stated, we cant deduce the answer.

Pls help me understand, if otherwise.

Thanks


It seems that you need to brush up fundamentals. A cube is the regular solid of six equal square sides.
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

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.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Kudos [?]: 135467 [0], given: 12695

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Re: M02-22 [#permalink]

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New post 16 Nov 2017, 11:37
All edges of a cube are equal. Distance AD, i.e, the diagonal will be determined by a√3 where a is edge, hence, both are individually sufficient. Answer D.

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Re: M02-22   [#permalink] 16 Nov 2017, 11:37
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