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# GMAT.cz

www.gmat.cz
by

## Nicolas Loyola de la Torre

on 23 April 2014

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#### Transcript of GMAT.cz

30
min
Essay
Known as the Analytical Writing Assessment (AWA)
Write a short analysis of a short argument
Scored separately
30
min
(Integrated Reasoning)
IR
75
min
75
min
Section is the latest update to the exam
Answer questions based on statistical data from a variety of tables, charts, etc.
Scored separately
Quantitative
Verbal
Covers math and logic
Answer 37 multiple-choice questions in the form of:
Problem Solving (22 questions) and
Data Sufficiency (15 questions).
Tests English language and reasoning skills
Answer 41 multiple-choice questions in the form of:
Sentence Correction (15 questions) and
Critical Reasoning (12 questions).
Optional Break
8 minutes
Optional Break
8 minutes
Overview
Introduction to the GMAT
GMAT structure and content
How to register for the GMAT
What to expect on test day
Some sample GMAT questions
Schools determine how well an applicant will do academically in a business or management program.
GMAT scores are used to estimate the depth of an applicant’s verbal and math skills.
GMAT scores are the perfect assessment tool when it comes to comparing applicants because GMAT scores are based on the same set of standards for all test takers.
Your GMAT score is a reliable measure of certain developed skills, such as:

problem solving,
strategic thinking,
decision making,
and analytical.
In summary - MBA schools use your GMAT score because it is a measure of your ability to make quick decisions, analyze different areas of knowledge, work under pressure on different subjects and deal with confusing and varied information in English.
How you are able to strategize is of utmost interest to both employers and business schools.
This process continues until test takers complete the section, at which point the computer will have an accurate assessment of their ability level in that subject area.
Historical Context & Purpose
Goal - a standardized test to help business schools select qualified applicants – GMAT.
In recent years - taken more than 250,000 times annually.
Initially used in admissions by 54 schools.
Now used by more than 1,500 schools and 5,400 programs worldwide.
Employers now routinely use applicants’ GMAT scores  as a proxy for ability and as a reliable standard measurement of academic prowess.
Total testing time is three and a half hours + two 8-minute breaks.
The Quantitative (QUANT) and Verbal sections are both multiple-choice computer-adaptive format (CAT).
A CAT test adjusts to a test taker’s level.

At the start of each multiple-choice section of the exam, test takers are presented with a question of medium difficulty.
Correct responses prompt questions of increased difficulty worth more points.
Incorrect responses result in questions of lesser difficulty worth fewer points.
GMAT Structure – Main GMAT Score max. 800
QUANT – PROBLEM SOLVING (22 Questions)
The best way to think of these questions is like simple math questions from your school days but in tricky wording requiring logical analysis.

No calculator is allowed, which is why it is important to remember and practice a wide range of math fundamentals, such as:
Basic geometrical definitions and formulae
Properties of numbers (prime, integer, even, odd...)
Statistical probability
Word problems (distance/rate/time, real-world situations)
EXAMPLE – Problem Solving
Try the following PS question. The solution is on the next slide.
Train station A is 330 miles form train station B. If a train leaves station A at 4:42 and arrives at station B at 8:22 the same morning, what is the average speed of the train in miles per hour?

Solution to the example – Problem Solving
This is a classic, low-level GMAT question requiring a foundation formula:
QUANT. DATA SUFFICIENCY (15 Questions)
Covering the same math subjects as Problem Solving - the form of the question and the process of arriving at an answer choice follows a set pattern:
The difficult part of Data Sufficiency is avoiding traps. It is an analytical process requiring complete concentration not just on math principles but also on logic. Learning to avoid false assumptions is a key part of the study process.
A. If statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient;
B. If statement (2) ALONE is sufficient to answer the question but statement (1) alone is not sufficient;
C. If the two statements TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient;
D. If EACH statement ALONE is sufficient to answer the question;
E. If the two statements TAKEN TOGETHER are still NOT sufficient to answer the question.
EXAMPLE – Data Sufficiency
Try the following DS question. The solution is on the next slide.
Solution to the example – Data Sufficiency
In this VALUE question, there are 2 variables, a & b. The general rule is that when there are 2 variables, you need 2 distinct equations in order to calculate the value of both variables. We are given exactly what we need with a combination of clues (i) and (ii), but separately the clues are not sufficient. Answer C is correct.
VERBAL – SENTENCE CORRECTION (15 Questions)
Always a single sentence.
Part or all of the sentence is underlined.
Questions test:
Grammar.
Choice of words.
Sentence structure.
Effectiveness.
Clarity and preciseness.
Avoiding – ambiguity, awkwardness, redundancy.
EXAMPLE – Sentence Correction
The solution is on the next slide. One of the most important benefits of a college education
are the possibility of widening one’s career options
.
A. are the possibility of widening one’s career options.
Solution to the example – Sentence Correction
This is a low-scoring question that tests “subject/verb agreement”. The subject is “One of the benefits”, which is singular, so the verb “are” should be “is” and there is no need to change “widening one’s career options” to “increasing the number of career options”…so the answer is E.
VERBAL – CRITICAL REASONING (12 Questions)
A short argument typically of 3 or 4 sentences.
The argument will almost always include premises to support a main conclusion.
Questions will focus on:
Identifying necessary assumptions in the argument.
Inferences.
Strengthening/Weakening the argument’s conclusion.
Explaining a paradox in the argument.
Explaining the argument’s structure.
Identifying aspects of the argument.
EXAMPLE VERBAL – Critical Reasoning
Argument:
Because of their widespread use, smartphone apps are reducing young people’s ability to focus on written texts, such as books. Therefore, young people who spend all their free time using smartphone apps have less ability to focus on written texts than do other young people.
A. Surfing the internet hinders young people’s ability to read books.
Solution to the example – Critical Reasoning
The conclusion of the argument in essence compares the ability of 2 groups of people to read: young people who spend all their free time using smartphone apps vs. young people who don’t. For this to be a correct conclusion, it needs to be assumed that the young people in the second group spend at least some of their free time reading written texts. Answer E is correct.

VERBAL – READING COMPREHENSION (14 Questions)
Similar to reading sections in exams such as IELTS, TOEFL and the CAE.
3 or 4 passages of between 250 – 350 words.
3 or 4 questions per passage testing:
Purpose.
Inference.
Main/supporting idea.
Logical structure.
Using information.
Sample text from a longer passage:
Where the hypothesis fails, however, is in its inability to provide any more certainty than scientists have already managed by alternative models and theories. While Herdon’s reactive core certainly captures the imagination, it neglects to solve any more problems than the myriad other theories of the nature of Earth’s core or the origin of geomagnetism.
Try the following RC question. The solution is on the next slide.
A. it provides an explanation for more than one phenomenon.
Solution to the example – Reading Comprehension
There are 4 other paragraphs in the passage for this question and the information contained would enable you to eliminate answers A, B, D and E. Alternatively, the paragraph shown contains information contrary to answer C. This means answer C is the correct answer.

(If you feel really enthusiastic, here is the entire RC passage for the question in the previous slide)
It’s a controversy that goes straight to the heart of the planet: Is the Earth’s core solid iron, or could it be a ball of radioactive uranium, making the planet a natural nuclear reactor?

According to geophysicist Marvin Herdon’s controversial hypothesis, Earth’s iron core contains a portion of dense radioactive uranium that resides in the core’s very center. Herdon claims that the core’s radioactivity is responsible for the planet’s geomagnetic field—the force that pulls the point of a compass north.

Herdon’s claim makes some sense; it accounts for the unknown lighter element that must necessarily exist alongside the iron in the core. It also provides a tidy answer to the question of the source of Earth’s geomagnetic field, a problem that has long intrigued scientists.

Where the hypothesis fails, however, is in its inability to provide any more certainty than scientists have already managed by alternative models and theories. While Herdon’s reactive core certainly captures the imagination, it neglects to solve any more problems than the myriad other theories of the nature of Earth’s core or the origin of geomagnetism. Furthermore, Herdon’s willingness to apply the “nuclear core” theory to countless other questions—from Jupiter and Saturn’s energy outputs to the core of the moon—suggests that his theory is, perhaps, more important to him than the mysteries he hopes to solve.
KEY GMAT PREP TIPS
ACCEPT THE FACT
that you will get some questions wrong on test day and learn to move on to the next question with a positive mental attitude.
Recommended GMAT Prep Material
Kaplan GMAT Premier Package – an excellent first step and includes 5 online practice tests.
GMAC’s GMAT Review – 900 questions to drill each area of the knowledge required and can be found as an app for smartphones.
Nova’s GMAT Prep – great for targeted practice of specific areas of weakness.
Manhattan Strategy Set – wonderful advanced tips for higher level students.
GMAT.cz
is in no way affiliated with any of the companies or organisations recommended above. We have used a wide variety of resources over the years and there are many other excellent sources that are not mentioned here.

Question Types
B.11
A. 3/2
C. 90
D. 180
E. 360
Average Speed = Total Distance ÷ Total Time
In this case:
Total Distance = 330 miles
Total Time = 3 hours 40 minutes = 220 minutes
Average Speed = 330 ÷ 220 = 3 ÷ 2 miles/minute = 90 miles/hour
What is the value of 1/a – 1/b ?
(i) a.b = 4
(ii) a – b = - 2
(i) a.b = 4
There is no way to know the value of a or b.
(ii) a – b = -2
There is no way to know the value of a or b.
The trick to this question is to realize that 1/a – 1/b = (b-a) / a.b
We can combine the information in (i) and (ii) to find the answer.
B. are the possibility of widening the career options.
C. are the possibility of increasing the number of career options.
D. is the possibility of increasing the number of career options.
E. is the possibility of widening one’s career options.
Question: The argument depends on which of the following assumptions?
B. Using smartphone apps does not develop young people’s ability to concentrate.
C. Young people spend too much time using their smart phones.
D. If more young people read more books, they would not use their smartphone's apps.
E. Young people who do not spend all their free time using smartphone apps spend at least some of their free time reading written texts.
B. it would mean that Earth’s core is a natural nuclear reactor.
C. it provides a clearer picture of Earth’s makeup than most existing theories.
D. it claims that uranium accounts for the lighter element that exists alongside iron in the core.
E. it is a theory that its originator overuses to explain other natural phenomena.
Question: The author suggests all of the following about “Herdon’s reactive core” EXCEPT:
PREPARE YOURSELF
psychologically to learn from your mistakes.
INVEST IN MATERIAL
that clearly explains the fundamentals (remember that the GMAT is an American exam written in English so the prep books will often be designed for native English speakers) or a professional tutoring service.
BUILD A DISCIPLINED
AIM TO COMPLETE
2000-3000 practice question before test day.
MAKE SURE
that you keep a log of your mistakes and that you understand where you went wrong.
BUILD UP MOMENTUM
and keep momentum going right up to test day.
AIM TO COMPLETE