GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 24 Sep 2018, 14:31

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

M25-24

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
M25-24  [#permalink]

Show Tags

New post 16 Sep 2014, 01:23
3
6
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

69% (00:38) correct 31% (00:35) wrong based on 364 sessions

HideShow timer Statistics

What is the product of a certain pair of consecutive odd integers?


(1) Exactly one of the integers is negative.

(2) At least one of the integers is positive.

_________________

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

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re M25-24  [#permalink]

Show Tags

New post 16 Sep 2014, 01:23
Intern
Intern
avatar
Joined: 22 Sep 2012
Posts: 1
Concentration: Technology, Strategy
GPA: 2.97
WE: Analyst (Consulting)
Re: M25-24  [#permalink]

Show Tags

New post 14 Jan 2015, 18:57
Sorry to bother - but why is the number 0 ignored here?
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 15 Jan 2015, 01:09
Intern
Intern
avatar
Joined: 25 Apr 2015
Posts: 10
M25-24  [#permalink]

Show Tags

New post 30 Oct 2015, 23:05
But can't I use (-3,3) as the consecutive odd integers. If yes then the answer would be 9 and then A will not be sufficient. please help.
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 31 Oct 2015, 03:48
rhio wrote:
But can't I use (-3,3) as the consecutive odd integers. If yes then the answer would be 9 and then A will not be sufficient. please help.


Consecutive odd or even integers are those with common difference of 2. So, for example, -1 and 1 or 9 and 11. -3 and 3 are not consecutive odd integers.
_________________

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

Intern
Intern
User avatar
B
Joined: 06 Feb 2016
Posts: 48
Location: Poland
Concentration: Finance, Accounting
GMAT 1: 730 Q49 V41
GPA: 3.5
Re: M25-24  [#permalink]

Show Tags

New post 27 Aug 2016, 05:07
Bunuel is a patient genius! :)
Intern
Intern
avatar
Joined: 05 Sep 2016
Posts: 2
Re: M25-24  [#permalink]

Show Tags

New post 11 Sep 2016, 07:15
so how does 1 and 3 satisfy statement 1 of a number being negative?

Bunuel wrote:
rhio wrote:
But can't I use (-3,3) as the consecutive odd integers. If yes then the answer would be 9 and then A will not be sufficient. please help.


Consecutive odd or even integers are those with common difference of 2. So, for example, -1 and 1 or 9 and 11. -3 and 3 are not consecutive odd integers.
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 11 Sep 2016, 07:18
meesamalim wrote:
so how does 1 and 3 satisfy statement 1 of a number being negative?

Bunuel wrote:
rhio wrote:
But can't I use (-3,3) as the consecutive odd integers. If yes then the answer would be 9 and then A will not be sufficient. please help.


Consecutive odd or even integers are those with common difference of 2. So, for example, -1 and 1 or 9 and 11. -3 and 3 are not consecutive odd integers.


Where it's said that (1, 3) satisfy the first statement???
_________________

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

Intern
Intern
avatar
Joined: 05 Sep 2016
Posts: 2
Re: M25-24  [#permalink]

Show Tags

New post 11 Sep 2016, 08:16
Consecutive odd or even integers are those with common difference of 2. So, for example, -1 and 1 or 9 and 11. -3 and 3 are not consecutive odd integers.[/quote][/quote]

Where it's said that (1, 3) satisfy the first statement???[/quote]

so statement one you are saying is sufficient right? statement one says either one of the numbers are negative. hence why cannot 1,3 be used as consecutive integers which fails the statement?
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 11 Sep 2016, 08:31
meesamalim wrote:

so statement one you are saying is sufficient right? statement one says either one of the numbers are negative. hence why cannot 1,3 be used as consecutive integers which fails the statement?


Please read carefully: (1) Exactly one of the integers is negative.
_________________

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

Intern
Intern
avatar
B
Joined: 14 Aug 2012
Posts: 45
Premium Member CAT Tests
Re: M25-24  [#permalink]

Show Tags

New post 30 Jun 2018, 04:11
1
Hi,

The way this question is worded is kind of confusing. When they are asking what is the product, I am assuming a certain numerical value is what needs to be solved for.
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 30 Jun 2018, 10:22
bpdulog wrote:
Hi,

The way this question is worded is kind of confusing. When they are asking what is the product, I am assuming a certain numerical value is what needs to be solved for.


The question is fine. Yes, it's asks for a product, and (1) gives exact numerical answer: The product of these numbers is −1∗1=−1 .
_________________

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

Intern
Intern
avatar
B
Joined: 08 Apr 2018
Posts: 13
CAT Tests
Re: M25-24  [#permalink]

Show Tags

New post 03 Aug 2018, 22:39
If I understand it correctly, this particular question is essentially asking for the value of the product, right?
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 04 Aug 2018, 00:26
Manager
Manager
avatar
S
Joined: 10 Jan 2013
Posts: 87
Location: India
Concentration: General Management, Strategy
GMAT 1: 600 Q43 V30
GPA: 3.95
GMAT ToolKit User Reviews Badge
Re: M25-24  [#permalink]

Show Tags

New post 05 Aug 2018, 05:36
Bunuel wrote:
What is the product of a certain pair of consecutive odd integers?


(1) Exactly one of the integers is negative.

(2) At least one of the integers is positive.



Bunuel.

How can we assume only 2 numbers?

I mean we can have the series as -1, 1, 3, 5 etc as well.. and so by this logic, A would not be sufficient.

if we include zero in the terms, then we get a conclusive answer.. but Zero is not Odd.
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49430
Re: M25-24  [#permalink]

Show Tags

New post 05 Aug 2018, 07:18
saurabh9gupta wrote:
Bunuel wrote:
What is the product of a certain pair of consecutive odd integers?


(1) Exactly one of the integers is negative.

(2) At least one of the integers is positive.



Bunuel.

How can we assume only 2 numbers?

I mean we can have the series as -1, 1, 3, 5 etc as well.. and so by this logic, A would not be sufficient.

if we include zero in the terms, then we get a conclusive answer.. but Zero is not Odd.


Pair of numbers = TWO numbers.
_________________

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

Manager
Manager
avatar
S
Joined: 10 Jan 2013
Posts: 87
Location: India
Concentration: General Management, Strategy
GMAT 1: 600 Q43 V30
GPA: 3.95
GMAT ToolKit User Reviews Badge
Re: M25-24  [#permalink]

Show Tags

New post 05 Aug 2018, 12:03
Bunuel wrote:
saurabh9gupta wrote:
Bunuel wrote:
What is the product of a certain pair of consecutive odd integers?


(1) Exactly one of the integers is negative.

(2) At least one of the integers is positive.



Bunuel.

How can we assume only 2 numbers?

I mean we can have the series as -1, 1, 3, 5 etc as well.. and so by this logic, A would not be sufficient.

if we include zero in the terms, then we get a conclusive answer.. but Zero is not Odd.


Pair of numbers = TWO numbers.



yup got it.. silly mistakes like these cost a lot in the exam
GMAT Club Bot
Re: M25-24 &nbs [#permalink] 05 Aug 2018, 12:03
Display posts from previous: Sort by

M25-24

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  

Moderators: chetan2u, Bunuel

Events & Promotions

PREV
NEXT


Copyright

GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.