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**A supplement to the Official Guide with 300 additional quantitative questions.** *The GMAT Official Guide Quantitative Review 2020* provides targeted preparation for the mathematical portion of the GMAT exam.

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Categories: Aptitude Tests, Foreign Exams, Foreign Scholarship tests, Job Tests, School Entry Test, School Exams
Tag: GMAT® Quantitative

The Official Guide for GMAT Quantitative Review 2017 will improve your quantitative skills by focusing your GMAT preparation on the area where you need to get help.

This edition includes 15% new questions and exclusive access to the same questions from this guide online. Don’t waste time practicing with fake GMAT questions. Optimize your study time with the *GMAT® Official Guide Quantitative Review* *2017,* using real questions from actual past exams.

Designed by the Graduate Management Admission Council, this guide contains 300 real GMAT questions from past exams, covering data sufficiency and problem solving, including 45 never-before-seen questions.

*The GMAT® Official Guide Quantitative Review 2017 *helps you improve your quantitative skills with data sufficiency and problem solving practice questions and answer explanations. Focus your study on where you need help the most. This guide features:

- 300 real questions from past GMAT exams, including 45 never-before-seen questions
- An overview of the exam to help you get familiar with the content and format
- Review essential algebra, geometry, arithmetic, and word problems
- Detailed answer explanations that explain how the test maker thinks about a question
- Questions organized in order of difficulty from easiest to hardest
- Access to the same questions online at gmat.wiley.com, where you can build your own practice sets

Frequently Asked Questions about the Official Guides

To access the online question bank, you must have the latest version of one of the following browsers: Firefox 20+, Chrome 20+, Internet Explorer IE10+, Mac Safari 6.0+. Supported OS: Mac, Windows 7+.

Please note: The online component will expire one (1) year from the date of activation.

This study material should be used for practice purposes only. If you are preparing for the 2018 GMAT*®* Exam, then you should visit www.mba.com to get the 2018 version of the book.

We recommend pairing it with our other study guides: *The GMAT® Official Guide 2018* and *The GMAT® Official Guide Verbal Review 2018.*

If you need support on your study materials or just to ask us a question, You can chat with a Teststreams support agent using the live chat link below, or send us a quick in-mail.

**If you need further support, email to [email protected] or Call 09054281818 / 09096701000.**

1.0 What Is the GMAT ® Exam?

Th e Graduate Management Admission Test ® (GMAT ® ) is a standardized, three‐part test delivered in

English. Th e test was designed to help admissions officers evaluate how suitable individual applicants

are for their graduate business and management programs. It measures basic verbal, mathematical, and

analytical writing skills that a test‐taker has developed over a long period of time through education

and work.

Th e GMAT exam does not measure a person’s knowledge of specific fields of study. Graduate business

and management programs enroll people from many diff erent undergraduate and work backgrounds, so

rather than test your mastery of any particular subject area, the GMAT exam will assess your acquired

skills. Your GMAT score will give admissions officers a statistically reliable measure of how well you are

likely to perform academically in the core curriculum of a graduate business program.

Of course, there are many other qualifications that can help people succeed in business school and in

their careers—for instance, job experience, leadership ability, motivation, and interpersonal skills. Th e

GMAT exam does not gauge these qualities. Th at is why your GMAT score is intended to be used as

one standard admissions criterion among other, more subjective, criteria, such as admissions essays and

interviews.

1.1 Why Take the GMAT ® Exam?

GMAT scores are used by admissions officers in over 6,000 graduate business and management

programs worldwide. Schools that require prospective students to submit GMAT scores in the

application process are generally interested in admitting

the best‐qualified applicants for their programs, which

means that you may find a more beneficial learning

environment at schools that require GMAT scores as part

of your application.

Because the GMAT exam gauges skills that are important

to successful study of business and management at the

graduate level, your scores will give you a good indication

of how prepared you are to succeed academically in a

graduate management program; how well you do on

the test may also help you choose the business schools

to which you apply. Furthermore, the percentile table

you receive with your scores will tell you how your

performance on the test compares to the performance

of other test‐takers, giving you one way to gauge your

competition for admission to business school.

– If I don’t score in the 90th

percentile, I won’t get into any

school I choose.

F – Very few people get very high

scores.

Fewer than 50 of the more than 200,000

people taking the GMAT exam each year

get a perfect score of 800. Thus, while you

may be exceptionally capable, the odds

are against your achieving a perfect score.

Also, the GMAT exam is just one piece of

your application packet. Admissions offi cers

use GMAT scores in conjunction with

undergraduate records, application essays,

interviews, letters of recommendation, and

other information when deciding whom to

accept into their programs.

- A rope 20.6 meters long is cut into two pieces. If the

length of one piece of rope is 2.8 meters shorter than

the length of the other, what is the length, in meters, of

the longer piece of rope?

(A) 7.5

(B) 8.9

(C) 9.9

(D) 10.3

(E) 11.7

P(0,6)

Q(4,0)

y

x O - In the rectangular coordinate system shown above,

points O, P, and Q represent the sites of three

proposed housing developments. If a fire station

can be built at any point in the coordinate system,

at which point would it be equidistant from all three

developments?

(A) (3,1)

(B) (1,3)

(C) (3,2)

(D) (2,2)

(E) (2,3) - What is the perimeter, in meters, of a rectangular

garden 6 meters wide that has the same area as a

rectangular playground 16 meters long and 12 meters

wide?

(A) 48

(B) 56

(C) 60

(D) 76

(E) 192 - Of the total amount that Jill spent on a shopping trip,

excluding taxes, she spent 50 percent on clothing,

20 percent on food, and 30 percent on other items. If

Jill paid a 4 percent tax on the clothing, no tax on the

food, and an 8 percent tax on all other items, then the

total tax that she paid was what percent of the total

amount that she spent, excluding taxes?

(A) 2.8%

(B) 3.6%

(C) 4.4%

(D) 5.2%

(E) 6.0% - At the opening of a trading day at a certain stock

exchange, the price per share of stock K was $8. If

the price per share of stock K was $9 at the closing of

the day, what was the percent increase in the price per

share of stock K for that day?

(A) 1.4%

(B) 5.9%

(C) 11.1%

(D) 12.5%

(E) 23.6% - The number of rooms at Hotel G is 10 less than twice

the number of rooms at Hotel H. If the total number

of rooms at Hotel G and Hotel H is 425, what is the

number of rooms at Hotel G ?

(A) 140

(B) 180

(C) 200

(D) 240

(E) 280

Arithmetic Operations on rational numbers

The sum of the three numbers in the horizontal

row is 37 + 38 + 15, or 90. The product of the

three numbers in the vertical column is 15xy.

Thus, 15xy = 90, or the value of xy = 6.

The correct answer is A.

- ( )( ) 1 5 + −1 5 =

(A) −4

(B) 2

(C) 6

(D) − − 4 2 5

(E) 6 2 − 5

Arithmetic Operations on radical expressions

Work the problem.

1 51 5 1 5 5 5

1 5 1 5 4

2 2

2

( )( ) ( )

( )

- − = +−− =

− = − = −

The correct answer is A.

- A certain population of bacteria doubles every

10 minutes. If the number of bacteria in the population

initially was 104, what was the number in the

population 1 hour later?

(A) 2(104)

(B) 6(104)

(C) (26)(104)

(D) (106)(104)

(E) (104)

6

Arithmetic Operations on rational numbers

If the population of bacteria doubles every

10 minutes, it doubles 6 times in one hour.

This doubling action can be expressed as

(2)(2)(2)(2)(2)(2) or 26

. Thus, if the initial

population is 104, the population will be (26)(104

)

after one hour.

The correct answer is C. - If the perimeter of a rectangular garden plot is 34 feet

and its area is 60 square feet, what is the length of

each of the longer sides?

(A) 5 ft

(B) 6 ft

(C) 10 ft

(D) 12 ft

(E) 15 ft

Geometry; Algebra Perimeter; Area;

Simultaneous equations

Letting x represent the length of the rectangular

garden and y represent the width of the garden in

the formulas for calculating perimeter and area,

the given information can be expressed as:

Perimeter = 2(length) + 2(width) 34 = 2x + 2y

or

17 = x + y

Area = (length)(width) 60 = xy

This reduces the problem to finding two numbers

whose sum is 17 and whose product is 60. It can

be seen by inspection that the two numbers are 5

and 12, so the length of each of the longer sides

of the garden is 12 ft.

It is also possible to solve x + y = 17 for y and

substitute the value of y = 17 − x in the equation

for the area and solve for x:

xy

x x

x x

x x

− =

− =

= − +

= −

60

17 60

17 60

0 17 60

0 12

2

2

( )

( )( ) x

x

y

=

5

12 5

5 12

or

or

Thus, the length of each of the longer sides of the

garden must be 12 ft.

The correct answer is D.

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