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If x + y = 90 z, what is the average (arithmetic mean) of (6x + 90)

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If x + y = 90 z, what is the average (arithmetic mean) of (6x + 90), (6y 20) and (6z 100)?

A) 30
B) 90
C) 170
D) 180
E) It cannot be determined from the information given.

If z is an integer, is z prime?

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If z is an integer, is z prime?

(1) The greatest common divisor of z and 140 is 7.

(2) The sum of the distinct factors of z is less than 10.

Among multiparty democracies, those with the fewest parties will have

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PowerScore Complete Question Explanation

Assumption. The correct answer choice is (C)

The author presents the conclusion of this stimulus in the first sentence:

Multiparty democracies with fewest parties have the most productive legislatures.

This conclusion is based on the following premises:


Premise 1: The fewer the parties, the more issues each must take a stand on.

Premise 2: A wide variety of issues forces prioritization.

Premise 3: Prioritization promotes a tendency to compromise.

The above premises can be diagrammed as follows:

Fewer parties -> more issues -> prioritization -> compromise

In order to draw the conclusion presented in the stimulus, the author must believe that compromise is tied to productivity. In responding to this supporter assumption question, we should therefore look for the answer choice which allows for the following conditional statement:

Fewer parties -> more issues -> prioritization -> compromise -> productivity

Thus we can prephrase the answer to this supporter assumption question.

Answer choice (C): This is the correct answer choice. We must somehow link productivity with one of the sufficient conditions to the left in the diagram above. Correct answer choice (C) achieves exactly this, by linking compromise to productivity:

compromise -> productivity

Answer choices (A) and (B) are incorrect because the stimulus doesnt deal with disagreements within parties, or with the importance of compromise. Answer choices (D) and (E) are also incorrect, because the author never mentions nondemocracies, or whether or not legislators ever all agree.

Re: How many noncongruent integer-sided triangles with positive area and

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noncongruent integer-sided triangles that are are neither equilateral, isosceles, nor right triangles >>>Scalene triangles whose sides are not Pythagorean triplets.
Let sides of triangle are x,y and z in increasing order, hence it must satisfy the conditions z< x+y
Also, x+y+z<15

Minimum value of x can be 1 and maximum value of x can be 3. When x=4, minimum perimeter possible is 4+5+6=15 (x<y<z), doesn't satisfy our condition x+y+z<15

Case 1. when x=1, z<y+1
No scenario is possible because z>y

Case 2 when x=2, Possible scenarios which satisfy both of our conditions
1. x=2, y=3 and z=4
2. x=2, y=4 and z=5
3. x=2, y=5 and z=6

Case 3 when x=3, Possible scenarios which satisfy both of our conditions
1. x=3, y=4 and z=5 (Pythagorean triplet, we have to exclude this case)
2. x=3, y=4 and z=6
3. x=3, y=5 and z=6

Hence 5 triangles are possible

Re: Calling all Waitlisted Applicants-Haas Class of 2021(EWMBA 2022)

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I haven't seen any movement here or on Clear Admit. Are you R2 wait list? I didn't receive a confirmation email last week, which doesn't seem like a great sign...

Re: Calling all Waitlisted Applicants-Haas Class of 2021(EWMBA 2022)

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SoccerJJM wrote:
I haven't seen any movement here or on Clear Admit. Are you R2 wait list? I didn't receive a confirmation email last week, which doesn't seem like a great sign...


Yep - R2.
Received a email on Friday the 3rd asking to confirm my place on the WL.

Re: Calling all Applicants: INSEAD Jan 2020 Intake (Class of Dec 2020)

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Hi mottagmat,

I am sorry you didn't get the invite. But you should take INSEAD's message positively. If they hadn't seen potential in your profile, you wouldn't have been encouraged to reapply.

Typically, in these cases, you are expected to reapply for a later intake. However, I recommend you to reach out to your AO and check whether it would be possible to reapply for Round 3. You could also try requesting a phone call with an admissions manager.

Deadline for Round 3 is not that far away though. Do you think you can increase your score in a relatively short period of time? If you don't mind me asking, what is your current GMAT score and its Q/V/IR split? Feel free to PM me if it's more convenient for you.

Thank you very much.

Warm regards
Alex

Re: Arif wished to use his VCR to record a 60 minute

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Wasif007 wrote:
lupitavf wrote:
It's 7 minutes and 45 seconds because the timer slows down while recording (from 10:30 to 11:30). So C

30 sec x 15.5=465 secs ...465/60=7.75 mins ......how it 7 min 45 sec come in the answer?



0.75 minutes (60 seconds/minute) = 45 seconds

Re: What is the remainder when the product of the first 10 prime numbers i

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gmat1393 wrote:
Hi chetan2u Can you please point where am I going wrong in this approach?
gmat1393 wrote:
Hi MathRevolution

Doesnt the question stem reduce to

(2*3*5*7*11*13*17*19*23*29)/ 4

If we cancel out 2 from Numerator and denominator.
We have 2 in denominator.
So remainder should be 1.

What is wrong in this approach.Can you please help?

Posted from my mobile device




This approach is wrong for the same reason the remainder of 10/6 (or (2*5)/(2*3)) is not equal to the remainder of 5/3.

Re: Learn how That can help you demystify a long sentence

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Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Calling all Applicants: INSEAD Jan 2020 Intake (Class of Dec 2020)

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mottagmat wrote:
I got an email saying my GMAT is too low and wrote "We strongly encourage you to reapply when you have increased the results of your GMAT Verbal and Quantitative sections." :cry:

Does anybody know if I can reapply for the 3rd Round already?


hang in there mate! Like Alex said, INSEAD definitely sees potential in you. If you can improve your GMAT, you will be fine.

A bicyclist begins a race at a constant rate of 10 miles per hour

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A bicyclist begins a race at a constant rate of 10 miles per hour, slowing down by 1 mile per hour every half-hour. How many miles has the bicyclist traveled after exactly 2.5 hours?

A) 22.5
B) 20
C) 19
D) 17
E) 12.5

PROFILE REVIEW: 30M, 750, 3.0

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Planning to apply this fall with hopes of matriculating Fall 2020. Would appreciate any thoughts, tips you're willing to provide!

Work experience:
3.75 years working in social media strategy and analytics (think: media planning and buying, not so much content creation / community management) at an independent advertising agency (~100 employees) in Minneapolis; promoted four times during my time there, ultimately managing two assistant account executives
CURRENT: 1.5 years in digital marketing strategy/operations (non-management position) at a large integrated healthcare system based in the Midwest, playing a lead role in enterprise digital media planning/buying/analytics in social, display, direct, native, etc.

Extra curriculars:
Spent the last 1.25 years on the Programming Committee and Associate/Junior Board (~8 hours/week) of a prominent inner-city youth sports organization; will continue to participate for as long as I can (even during/after MBA) truly value my time here and the opportunity to have an impact
During my time at the agency, I was selected/sponsored by agency to participate in a three-month-long national case study competition
One of five students selected to represent my university in the Public Relations Student Society of Americas Bateman Case Study Competition a year-long, national case study competition in which student teams create and implement a full public relations campaign
Multi-year member of two different ad/PR student orgs

Undergrad school/major:
Big10, Journalism with an emphasis on Strategic Communication (i.e. Advertising/PR)

Race/nationality:
White; born in Northern Ireland, primarily raised in US

Sex:
Male

Stats
GRE Score:
332 167Q, 165V (according to ETSs conversion tool, that would be a 750 GMAT - hence the headline)
Undergrad GPA:
3.0 I understand this is something Ill need to overcome (more on that below).


Goal of MBA:
Transition out of digital marketing into the digital group of a Big 4/T2 consulting firm

Target schools:
Will narrow down in the very near future, but the current list consists of:
Reaches/High Targets: Northwestern, Yale, Dartmouth, Michigan, Virginia, Duke, Cornell
Targets: Rice, UNC, Texas, Emory, Indiana, Minnesota, Wisconsin



Beyond my lower GPA, I have a checkered past academically. Due to lack of maturity more than anything else, I wasted my first two years post-high school bouncing out of a Pac12 party school and failing classes at a local community college. Then I enrolled in the Big10 school from which I graduated and began to take my academics more seriously. And since Ive been in the workforce, Ive been passionate and dedicated (which I hope is demonstrated by my history of promotions). Absolutely plan to address past failures in my essays and how Ive benefitted from them.



Four big questions:

Any thoughts on reaches and targets?

Any guidance on framing up my lackluster academic history?

Wondering about the value of completing MBAmath or HBX Core this summer to reinforce quant skills and demonstrate commitment?

How much will GRE > GMAT hinder me? Ive taken the GRE three times (324, 325, 332), so Id very much like to avoid returning to the GMAT.



Thanks in advance for your time and advice!

Re: At a business school conference with 100 attendees, are ther

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Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

Hurricanes at first begin traveling from east to west, because that di

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Hello Everyone!

If you're running into this question for the first time on the 2020 Official Guide, welcome! Let's start by taking a quick glance over the original question, and highlight any major differences we can find in orange:

Hurricanes at first begin traveling from east to west, because that direction is the way the prevailing winds in the tropics blow, but they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land.

(A) Hurricanes at first begin traveling from east to west, because that direction is the way the prevailing winds in the tropics blow, but
(B) At first, hurricanes travel from east to west, because that is the direction of the prevailing winds in the tropics, but
(C) While hurricanes travel from east to west at first, the direction of the prevailing winds blowing in the tropics, and
(D) Because hurricanes at first travel from east to west, since it is the direction of the prevailing winds in the tropics,
(E) Hurricanes, beginning by traveling from east to west, because this is the direction of the prevailing winds in the tropics,

After a quick scan over the options, a few differences pop out:

1. How it talks about hurricanes traveling
2. How it talks about prevailing winds
3. How they end (no conjunction / and / but)


This seems like a lot, right? Whenever you see a GMAT question with this much variation between the options, it's time to start looking for bigger picture problems.

One of the big picture issues we can look at is making sure each sentence has a clear subject and verb. With this many modifiers, commas, and phrases stacked together, it's likely that at least 1-2 options will be missing a subject or verb. Let's look closely at each option and cross out any modifiers, prepositional phrases, or non-essential phrases to see if we're left with a complete sentence:

(A) Hurricanes at first begin traveling from east to west, because that direction is the way the prevailing winds in the tropics blow, but they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land. --> OK

(B) At first, hurricanes travel from east to west, because that is the direction of the prevailing winds in the tropics, but they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land. --> OK

(C) While hurricanes travel from east to west at first, the direction of the prevailing winds blowing in the tropics, and they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land. --> WRONG
(There is no clear subject or verb here - just a series of modifiers, prepositional phrases, and interjections piled up together!)

(D) Because hurricanes at first travel from east to west, since it is the direction of the prevailing winds in the tropics, they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land. --> WRONG
(While what you're left with is technically a complete sentence, it has lost so much of its intended meaning that it doesn't make sense on its own.)

(E) Hurricanes, beginning by traveling from east to west, because this is the direction of the prevailing winds in the tropics, they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land. --> WRONG
(This sentence has a subject, but no verb!)

We can eliminate options C, D, & E because they are missing a subject, verb, or both.

Now that we have it narrowed down to only 2 options, let's look more closely to find other problems and narrow it down to one option:

(A) Hurricanes at first begin traveling from east to west, because that direction is the way the prevailing winds in the tropics blow, but

This option is INCORRECT for a couple reasons. First, the phrase "at first begin" is redundant - "at first" and "begin" mean the same thing, so you don't need to say them both. The other phrase we highlighted is also a bit clunky and overly wordy as well.

(B) At first, hurricanes travel from east to west, because that is the direction of the prevailing winds in the tropics, but

This is the CORRECT choice! It's not redundant, there is a clear subject and verb, and it's not overly wordy!

There you have it - option B is the correct choice!


Don't study for the GMAT. Train for it.

A sentence from The Economist

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"Social media are reshaping the relationship between the royals, the press and the public"

Isn't it supposed to be 'among', not 'between'?
But I feel like 'among' could change the meaning of the sentence a bit.

Re: Calling all Waitlisted Applicants-Haas Class of 2021(EWMBA 2022)

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ux2pmm wrote:
SoccerJJM wrote:
I haven't seen any movement here or on Clear Admit. Are you R2 wait list? I didn't receive a confirmation email last week, which doesn't seem like a great sign...


Yep - R2.
Received a email on Friday the 3rd asking to confirm my place on the WL.



I also received the email on the 3rd. I thought that everyone got it. I am R1

Free MBA Admission Mentorship/Consulting through Scholarship Program

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Hi Fellow GMAT Club Members,

I plan on applying for an MBA 2-3 years from now; however, I have been doing a lot of reading and research about various MBA programs. I came across this Admissions Scholarship Program offered by MBA Mentor. They are looking for people who are applying for an MBA 2020. The scholarship awardee will get free MBA admission mentoring starting from the application strategy till the mock interview stage. I wish I could apply! Hopefully this company makes this scholarship program a yearly thing (and not a one time offer).

I just wanted to spread the word so anyone who does not want or cant spend $1,000 plus on MBA consultancy fees, well, apply here. ( https://bit.ly/2vpQNay )

The company seems new but they won best project at London Business School. I hope my post can help people applying for MBA 2020 entry.


Good luck,
Confusedstudent

Re: Discussion of greenhouse effects has usually focused on whether the

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Hello Everyone!

Let's tackle this question, one thing at a time, and narrow down the options to the correct one! To begin, here is the question with any major differences highlighted in orange:

Discussion of greenhouse effects has usually focused on whether the Earth would warm and by how much, but climatologists have indicated all along that the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess.

(A) the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess
(B) the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people
(C) those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects
(D) extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people
(E) extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people

Since there are so many differences between the options, we need to start off by looking at big-picture issues. One of the larger issues we often see on the GMAT is wordiness, so let's start there. It's clear from doing a quick scan over the options that some of these are incredibly tough to follow - which is a sign that wordiness might be a problem! We need to scan through each option, looking for phrases or idioms that are overly wordy or confusing:

(A) the most obvious effects, and those that would have the largest impact on people, would be extremes of temperature, precipitation, and storminess --> OK

(B) the effects that are the most obvious ones, extremes of temperature, precipitation, and storminess, would be those impacting the most on people --> WRONG
(The phrase "the effects that are the most obvious ones" is too wordy - why not just say "the most obvious effects?")

(C) those effects to have the largest impact on people, extremes of temperature, precipitation, and storminess, are what are the most obvious effects --> WRONG
(The phrase "are what are the most obvious effects" is overly wordy - just say "are the most obvious effects.")

(D) extremes of temperature, precipitation, and storminess, the most obvious effects, that they would have the largest impact on people --> WRONG
(Aside from the fact that the phrase "that they would have" is overly wordy, it also creates a fragment by leaving out a verb! To fix this, you would have to cut that phrase down to just "would have," which is a verb and much more concise.)

(E) extremes of temperature, precipitation, and storminess, which are the most obvious effects, are those to impact the most on people --> WRONG
(The phrase "are those to impact the most on people" is overly wordy and confusing.)

There you have it - option A was the correct choice because it's the only one that doesn't contain overly wordy phrases or ungrammatical, confusing constructions!


Don't study for the GMAT. Train for it.

Many GMAT tutors love to make boastful public claims about how many pe

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Many GMAT tutors love to make boastful public claims about how many perfect 800s they have earned on the GMAT. Yet when GMAC publicly introduced an official score verification option in 2017, using the test-takers date of birth (DOB) and a unique URL only available to the test-taker, only one one of those tutors claiming perfect scores actually stepped forward to prove his perfect 800, while countless others did not. Given the fact that 2 years later, these tutors still have failed to verify their scores, it is clear that many, if not most, of those "perfect" GMAT scores were faked.

Which of the following would be most useful to know in evaluating the strength of this argument?

A) Whether GMAT scores expire after 5 years and thus some older scores could not be verified
B) Whether tutors have a financial incentive to exaggerate or inflate their scores
C) Whether tutors who have perfect 800s would choose to advertise that fact publicly
D) Whether all tutors are aware of the score verification option
E) Whether faking scores as a GMAT tutor is helpful in finding students

ANSWER CHOICE ANALYSIS:

A) Correct. Although GMAT tutors can always retake the GMAT to prove their ability, if it is indeed true that GMAT scores expire after 5 years and thus there is no way to verify older scores (it is!), then this could help explain why some GMAT tutors with legitimate perfect 800 scores have not verified. LIKE MANY CORRECT ANSWERS ON GMAT CRITICAL REASONING, THIS ANSWER PROVIDES AN ALTERNATE EXPLANATION FOR WHY SOME TUTORS MIGHT NOT HAVE VERIFIED THEIR GMAT SCORES.

If true, this consideration would weaken the conclusion in a tangible way. If false, this consideration would strengthen the conclusion in a tangible way. And that's how we know we have found the correct answer.

B) Although financial incentives would certainly help explain the motivation to fake one's scores, it doesn't directly pertain to the conclusion (whether many/most of the scores were faked). For example, in a police investigation, proving a motive in a crime (he wanted to make money!) is not as effective as providing actual evidence (he left his fingerprints at the scene!).

C) This answer is irrelevant. It is also "pre-evidence" and "out of scope" because the argument only pertains to those tutors who have previously advertised their perfect scores.

D) Being unaware of the score verification option might prevent tutors from verifying their scores, but since this information was shared "publicly" by GMAC over 2 years ago, it is unlikely that a professional GMAT tutor would not be privy to this information.

E) Similar to B. Provides a possible motive, but not hard evidence.
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