gmat math review 10 arithmetic

Ngày tải lên: 26/01/2014, 00:20

... other Example x 70 ᎏᎏ = ᎏᎏ 10 100 100 x = 700 100 x 700 ᎏ ᎏ = ᎏᎏ 100 100 x=7 Algebraic Fractions Working with algebraic fractions is very similar to working with fractions in arithmetic The difference ... that has 10 as a denominator x x x(2) x ᎏᎏ – ᎏᎏ = ᎏ ᎏ – ᎏᎏ 10 5(2) 10 2x x = ᎏᎏ – ᎏᎏ 10 10 x = ᎏᎏ 10 x Therefore, ᎏᎏ rooms will be available after another tenth of the rooms are reserved 10 124 ... new 10 x x number of available rooms, find the difference: ᎏ5ᎏ – ᎏᎏ 10 x x Write ᎏ5ᎏ – ᎏᎏ as a single fraction 10 Just like in arithmetic, the first step is to find the LCD of and 10, which is 10...

Ngày tải lên: 02/11/2013, 18:20

... Its the first time/ second time S + V (hiện ht) Recently (vừa đây) since + mốc thời gian (June, 2 010, I last saw you, I moved here ) for + khoảng thời gian (two days, six months) Lately, recently ... photograph A learned B retarded C unemployed A talk B daughter C subtract A data B capable C magical 10 A job B hot C sport 11 A sun B June C fun 12 A good B cook C football 13 A late B afraid C mistake ... C down 23 A some B how C money 24 A weather B deaf C eat D realize D form D headache D school D maths D story D injured D walk D game D top D unlucky D afternoon D radio D today D each D lotus...

Ngày tải lên: 23/11/2013, 15:11

... ( — ), etc — 10 100 Three point five equals — 10 plus three + 1.2 One point two five equals 5_ + five tenths one plus 2_ — 100 10 two tenths plus five hundredths MANHATTAN GMAT Arithmetic A decimal ... underneath 36 510 2550 510 +12550 3060 85 x 36 = 3,060 Don’t let multiplication slow you down on the GMAT Do multiplication drills to become quick and accurate MANHATTAN GMAT 45 Arithmetic Long ... MANHATTAN GMAT November 15th 2011 , Dear Student, Thank you for picking up a copy of Foundations o f GMAT Math Think of this book as the foundational tool that will help you relearn all of the math...

Ngày tải lên: 05/12/2013, 09:27

... tells you how many factors are in the product For example, = (2 )(2)(2)(2)(2) = 32 10 = (10) (10) (10) (10) (10) (10) = 1,000,000 (- 4) = (- 4)(- 4)(- 4) = -   =         2 2 = 16 ... 0.43 100 300 300% = = 100 0.5 0.5% = = 0.005 100 43% = To find out what 30% of 350 is, you multiply 350 by either 0.30 or 30 , 100 30% of 350 = (350) (0.30) = 105 or 30% of 350 = (350) 050 30  100 ... function defined by h( z ) = z + z + Note that h( ) = , h(1) = , h (10) = 103 + 10   106 .2 , but h( -10 ) is not defined since -10 is not a real number 19 2.2 Operations with Algebraic Expressions...

Ngày tải lên: 26/01/2014, 01:20

... tells you how many factors are in the product For example, = (2 )(2)(2)(2)(2) = 32 10 = (10) (10) (10) (10) (10) (10) = 1,000,000 (- 4) = (- 4)(- 4)(- 4) = -   =         2 2 = 16 ... 0.43 100 300 300% = = 100 0.5 0.5% = = 0.005 100 43% = To find out what 30% of 350 is, you multiply 350 by either 0.30 or 30 , 100 30% of 350 = (350) (0.30) = 105 or 30% of 350 = (350) 050 30  100 ... function defined by h( z ) = z + z + Note that h( ) = , h(1) = , h (10) = 103 + 10   106 .2 , but h( -10 ) is not defined since -10 is not a real number 19 2.2 Operations with Algebraic Expressions...

Ngày tải lên: 17/03/2014, 17:30

Ngày tải lên: 23/04/2014, 23:21

... first 10 questions will not game the system and can hurt your ability to finish the test 15 3.0 Math Review 3.0 Math Review 3.0 Math Review Although this chapter provides a review of some of the mathematical ... decimals follow 0.321 = _l_ + _l_ + _1_ = 321 10 100 1,000 1,000 0.0321 = _Q_+_l_+ + 10 100 1,000 10, 000 321 10, 000 1.56 = + _i_ + _§ = 156 10 100 100 Sometimes decimals are expressed as the ... of: • Arithmetic • Elementary algebra • Commonly known concepts of geometry To review the basic mathematical concepts that will be tested in the GMAT Qyantitative questions, see the math review...

Ngày tải lên: 14/05/2014, 16:52

... advanced math skills to get a high GMAT score F – The math skills tested on the GMAT test are quite basic The GMAT test only requires basic quantitative analytic skills You should review the math ... for GMAT Review, 12th Edition, or The Official Guide for GMAT Quantitative Review, 2nd Edition, at www.mba.com Note: There may be some overlap between this book and the review sections of the GMATPrep® ... information on test development, see www.mba.com 10 03_449752-ch01.indd 10 7/9/09 6:21:27 PM 1 .10 What Is the GMAT ? Test Development Process To register for the GMAT test go to www.mba.com 11 03_449752-ch01.indd...

Ngày tải lên: 14/05/2014, 16:54

... (E) a > O x + 10 ay° x° y° m n 120° Equating vertical angles yields x = ay and y = x + 10 Plugging the second equation into the first yields x = 10a 10a 10a + 10 10a 10 a(x + 10) Solving for ... than what is tested on the GMAT Hence, about 10% of the math problems in this book are harder than actual GMAT math problems GMAT Math Bible Experimental Questions The GMAT is a standardized test ... be expressed as 10, 000n + 57, where n is an integer Rewriting 10, 000 as 1,000 (10) yields 1,000 (10) n + 57 = 1,000(10n) + 57 = Now, since n is an integer, 10n is an integer Letting 10n = q, we get...

Ngày tải lên: 14/05/2014, 21:27

... a) 10 d) 15 26 Solve for x Given that < 3x - < 10 17 If x + y = 11 and 2y = 6, then x = a) b) 10 Grad School Test Prep University of Minnesota 360 Coffey Hall 1420 Eckles Avenue St Paul, MN 5 5108 -6084 ... for the GMAT If you score fewer than 20 correct answers, you should consider registering for Math Refresher for the GRE and GMAT Answers: 1) d 2) a 3) e 4) b 5) b 6) a 7) b 8) b 9) e 10) a 11) ... degrees b) c) 180 degrees d) e) c) 8.8 a) 100 b) 2y + c) 100 π d) y + e) 36y2 c) hours a) b) 15a(a + b)(a - b) c) d) 3ab(5a2 - 5ab) e) 5a(3a + 3b)(3a - 3b) c) a) 10 b) 14 c) 14 d) e) 12 31 The angles...

Ngày tải lên: 23/06/2014, 09:23

... above? (A) Ninety percent of the low-fat foods sold in developed countries are purchased by just 10 percent of the population (B) Sales of foods with a high sugar content have increased significantly ... considered by many and always will be by many Chapter 3: Practice Test 1: Diagnostic 77 10 15 20 25 30 35 40 45 50 During the process of embryonic development, cells become progressively ... power to elect and remove their leaders QUESTIONS 36–39 ARE BASED ON THE FOLLOWING PASSAGE: Line 10 15 The origin of the attempt to distinguish early from modern music and to establish the canons...

Ngày tải lên: 07/07/2014, 13:20

... 20.0% 18.3 13.1 10. 5 10. 1 6.4 5.8 3.3 3.2 1.2 1.0 0.9 6.2 100 .0% Total Number of Complaints 22,998 1981 (percent) 22.1% 21.8 11.3 11.8 8.1 6.0 5.6 2.3 2.9 1.1 0.8 0.9 5.3 100 .0% 13,278 (a) ... 120 24 288 210 10 (a) 336 (b) 56 11 0.22 12 (a) (b) 13 (a) (b) 21 40 (b) (c) 10 40 45 14 (a) (c) 15 (a) 0.40 (b) 0.50 16 (a) 0.56 (b) 0.94 17 (a) New York 18 (a) 1976 (c) 0.06 (b) 10. 4 (c) Three ... during the 10- year period, what is the arithmetic mean of their average wind speeds? (c) For how many of the stations is the ratio of high wind speed to average wind speed greater than 10 to ? 65...

Ngày tải lên: 24/07/2014, 13:21

... rectangular solid has length 8.5, width 5, and height 10, then its volume is V = (8.5)(5) (10) = 425, and its surface area is A = 2[(5)(8.5) + (8.5) (10) + (5) (10) ] = 355 45 For more material and information, ... www.tailieuduhoc.org x 8 10 14 15 x -10 −5 −2 −2 ( x -10) 25 4 16 25 standard deviation = 74   3.5 74 The standard deviation can be roughly interpreted as the average distance from the arithmetic mean ... Ordered from least to greatest, the values are 5, 8, 8, 10, 14, and 15 Therefore, the median is + 10 = Note that for the same set of values, the arithmetic mean and the median need not be equal, although...

Ngày tải lên: 24/07/2014, 13:21

... x = 10 y = 10 (b) x ˜ 13 (a) x < - x < 34 14 , y < 9 (c) x < For more material and information, please visit Tai Lieu Du Hoc at www.tailieuduhoc.org 10 83 11 15 to 12 $220 13 $3 14 $800 at 10% ; ... degrees) to 360 In the figure above, the circumference is 10 p Therefore, length of arc ABC 50 = 10 p 360 length of arc ABC = 50  360  (10p ) = 25p 18 The area of a circle with radius r is equal ... (h), that is, Area = b + b2 (h) For example, for the trapezoid shown below with bases of length 10 and 18, and a height of 7.5, 41 For more material and information, please visit Tai Lieu Du Hoc...

Ngày tải lên: 24/07/2014, 13:21

... 18 - y = -3 x + y 10 x + y + 20 = x + Solve each of the following inequalities for x (a) -3x > + x (b) 25 x + 16 ˜ 10 - x (c) 16 + x > x - 12 Solve for x and y x = 2y 5x < y + 10 For a given two-digit ...     y y 3 10 (g) 5 (h) Solve each of the following equations for x (a) (b) (c) (d) (e) (f) x - = 28 12 - x = x + 30 5( x + ) = - x ( x + )(2 x - 1) = x + x - 14 = x + 10 x - = 31 For more ... attain on the next exam so that the average (arithmetic mean) for the exams will be 85 ? Solution: If x represents the score on the next exam, then the arithmetic mean of 85 will be equal to 82...

Ngày tải lên: 24/07/2014, 13:21

... 0.43 100 300 300% = = 100 0.5 0.5% = = 0.005 100 43% = To find out what 30% of 350 is, you multiply 350 by either 0.30 or 30 , 100 30% of 350 = (350) (0.30) = 105 or 30% of 350 = (350) 050 30  100 ... function defined by h( z ) = z + z + Note that h( ) = , h(1) = , h (10) = 103 + 10   106 .2 , but h( -10 ) is not defined since -10 is not a real number 19 For more material and information, please ... 350 = (350) 050 30  100  = (350)  10  = 1 ,10 = 105 To find out what percent of 80 is 5, you set up the following equation and solve for x: x = 80 100 x = 500 = 6.25 80 So is 6.25% of 80...

Ngày tải lên: 24/07/2014, 13:21

... tells you how many factors are in the product For example, = (2 )(2)(2)(2)(2) = 32 10 = (10) (10) (10) (10) (10) (10) = 1,000,000 (- 4) = (- 4)(- 4)(- 4) = -   =         2 2 = 16 ... information, please visit Tai Lieu Du Hoc at www.tailieuduhoc.org MATH REVIEW The Math Review is designed to familiarize you with the mathematical skills and concepts likely to be tested on the Graduate ... place value for “5” is Therefore, 82.537 is a short way of writing (8) (10) + ( 2)(1) + (5) 1  10  + (3)  100  + (7)  100 0  , or 80 + + 0.5 + 0.03 + 0.007 This numeration system has implications...

Ngày tải lên: 24/07/2014, 13:21

... SAT2006[05](fin).qx 11/21/05 6:45 PM Page 191 – THE SAT WRITING SECTION – Improving Paragraphs Questions 9 10 are based on the following passage, a first draft of an essay about student volunteer programs ... people who really needed it (9) I volunteered four hours a week, sometimes five if I had the time (10) I got to spend time with my friends while we made a difference in our community (11) In my school, ... which get sent around the world to people who can’t afford glasses (16) Together we collected over 100 pairs of eyeglasses! (17) From my experience I know that I will continue to volunteer after...

Ngày tải lên: 07/08/2014, 13:21

... author is not being objective is that he uses words like “greed and reckless selfishness” (line 10) And because the author says that poverty is inescapable in line 28, “We know now that there ... body structure of birds is well suited to migration, it is not the reason they migrate Lines 9 10 state that this makes “it possible for birds to seek out environments most favorable to their...

Ngày tải lên: 07/08/2014, 16:22