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OFFICIAL GUIDE QUESTION LIBRARY

by beatthegmat » Wed Sep 20, 2017 9:22 am

*Join the discussion as you work through your Official Guide and gain...*

2

Last post by gentvenus

Wed Sep 09, 2020 12:49 pm

Wed Sep 09, 2020 12:49 pm

If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5 ?

by BTGmoderatorDC » Tue Jan 25, 2022 5:48 pm

*If d is the standard deviation x, y, and z, what is the standard...*

0

Last post by BTGmoderatorDC

Tue Jan 25, 2022 5:48 pm

Tue Jan 25, 2022 5:48 pm

Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD at

by AAPL » Mon Jan 24, 2022 4:05 pm

*Official Guide Al and Ben are drivers for SD Trucking Company. One...*

1

Last post by [email protected]

Tue Jan 25, 2022 6:32 am

Tue Jan 25, 2022 6:32 am

How many diagonals does a polygon with 18 sides have if three of its vertices, which are adjacent to each other, do not

by BTGmoderatorDC » Mon Jan 24, 2022 6:33 pm

*How many diagonals does a polygon with 18 sides have if three of its...*

0

Last post by BTGmoderatorDC

Mon Jan 24, 2022 6:33 pm

Mon Jan 24, 2022 6:33 pm

What is the probability of rolling three six-sided dice, and getting a different number on each die?

by BTGmoderatorDC » Sun Jan 23, 2022 5:22 pm

*What is the probability of rolling three six-sided dice, and getting...*

1

Last post by [email protected]

Mon Jan 24, 2022 7:12 am

Mon Jan 24, 2022 7:12 am

Dave’s quiz scores are 60, 90, and 80. What is the score Dave would need on his next quiz to increase his overall averag

by Gmat_mission » Sun Jan 23, 2022 1:53 am

*Dave’s quiz scores are 60, 90, and 80. What is the score Dave would...*

1

Last post by [email protected]

Sun Jan 23, 2022 7:33 am

Sun Jan 23, 2022 7:33 am

If the crime rate in a certain region dropped by 28% last year to a rate of 500 crimes per 100,000 citizens, what was

by Gmat_mission » Sun Jan 23, 2022 1:50 am

*If the crime rate in a certain region dropped by 28% last year to a...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:50 am

Sun Jan 23, 2022 1:50 am

The figure above shows \(2\) circles. The larger circle has center \(A,\) radius \(R\, \text{cm},\) and is inscribed in

by Gmat_mission » Sun Jan 23, 2022 1:42 am

*2019-09-21_1753.png The figure above shows \(2\) circles. The larger...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:42 am

Sun Jan 23, 2022 1:42 am

The probability that Maria will eat breakfast on any given day is 0.5. The probability that Maria will wear a sweater on

by Gmat_mission » Sun Jan 23, 2022 1:34 am

*The probability that Maria will eat breakfast on any given day is...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:34 am

Sun Jan 23, 2022 1:34 am

If \(a\) and \(b\) represent positive single digits in the correctly worked computation above, what is the value of the

by Gmat_mission » Sun Jan 23, 2022 1:30 am

*\(22\) \(a3\) \(+4b\) ___ \(90\) If \(a\) and \(b\) represent...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:30 am

Sun Jan 23, 2022 1:30 am

Three friends divided a bag of chocolates so that David received a fifth of the number of chocolates that Fouad did, and

by Gmat_mission » Sun Jan 23, 2022 1:24 am

*Three friends divided a bag of chocolates so that David received a...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:24 am

Sun Jan 23, 2022 1:24 am

If \(a^2b > 1\) and \(b < 2,\) which of the following could be the value of \(a?\)

by Gmat_mission » Sun Jan 23, 2022 1:20 am

*If \(a^2b > 1\) and \(b < 2,\) which of the following could be...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:20 am

Sun Jan 23, 2022 1:20 am

If \(a < 0\) and \(b < c,\) which of the following must be true?

by Gmat_mission » Sun Jan 23, 2022 1:14 am

*If \(a < 0\) and \(b < c,\) which of the following must be...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:14 am

Sun Jan 23, 2022 1:14 am

Mary prepared \(x\) pounds of pasta for the \(y\) people expected to attend a banquet. If only \(z\) of these \(y\) peop

by Gmat_mission » Sun Jan 23, 2022 1:11 am

*Mary prepared \(x\) pounds of pasta for the \(y\) people expected to...*

0

Last post by Gmat_mission

Sun Jan 23, 2022 1:11 am

Sun Jan 23, 2022 1:11 am

Right triangle DEF has a hypotenuse of less than 7. What is the maximum possible area of DEF, if the area of DEF is an

by BTGmoderatorDC » Fri Jan 21, 2022 9:21 pm

*Right triangle DEF has a hypotenuse of less than 7. What is the...*

0

Last post by BTGmoderatorDC

Fri Jan 21, 2022 9:21 pm

Fri Jan 21, 2022 9:21 pm

The figure above represents a window, with the shaded regions representing the openings for the glass. If all line

by BTGmoderatorLU » Fri Jan 21, 2022 6:00 pm

*Source: GMAT Paper Tests Untitled (7).png The figure above...*

0

Last post by BTGmoderatorLU

Fri Jan 21, 2022 6:00 pm

Fri Jan 21, 2022 6:00 pm

At a certain carpet factory, if carpeting of width 10 feet is moving continuously through a dryer at a constant speed

by BTGmoderatorDC » Thu Jan 20, 2022 6:01 pm

*At a certain carpet factory, if carpeting of width 10 feet is moving...*

0

Last post by BTGmoderatorDC

Thu Jan 20, 2022 6:01 pm

Thu Jan 20, 2022 6:01 pm

Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead was

by BTGmoderatorDC » Wed Jan 19, 2022 5:00 pm

*Sid intended to type a seven-digit number, but the two 3's he meant...*

1

Last post by [email protected]

Thu Jan 20, 2022 7:04 am

Thu Jan 20, 2022 7:04 am

Highmont private school polled the graduating class of 125 for the musical genres they listen to. 88% indicated at least

by AAPL » Wed Jan 19, 2022 7:05 pm

*Magoosh Highmont private school polled the graduating class of 125...*

0

Last post by AAPL

Wed Jan 19, 2022 7:05 pm

Wed Jan 19, 2022 7:05 pm

If the area of the outer square is \(4x^2\), then the area of the inner square is

by AAPL » Wed Jan 19, 2022 6:49 pm

*Magoosh squareincircleinsquare_figure.PNG If the area of the outer...*

0

Last post by AAPL

Wed Jan 19, 2022 6:49 pm

Wed Jan 19, 2022 6:49 pm

If x < y, which of the following must be true?

by BTGmoderatorDC » Mon Jan 17, 2022 6:17 pm

*If x < y, which of the following must be true? (A) x < y^2 (B)...*

1

Last post by [email protected]

Wed Jan 19, 2022 9:44 am

Wed Jan 19, 2022 9:44 am

Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. The children C & F have to sit

by BTGmoderatorDC » Tue Jan 18, 2022 5:37 pm

*Seven children - A, B, C, D, E, F, and G - are going to sit in seven...*

0

Last post by BTGmoderatorDC

Tue Jan 18, 2022 5:37 pm

Tue Jan 18, 2022 5:37 pm

Mixture Problems

by swerve » Mon Jan 17, 2022 4:27 pm

*If a certain concrete mixture contains gravel, water, and sand in a 1...*

0

Last post by swerve

Mon Jan 17, 2022 4:27 pm

Mon Jan 17, 2022 4:27 pm

two strings have equal length. One of the strings is shaped, with no overlap, into a circle. The other string is shaped,

by BTGmoderatorLU » Wed Jan 12, 2022 5:46 pm

*Source: GMAT Prep Two strings have equal length. One of the strings...*

3

Last post by regor60

Mon Jan 17, 2022 12:52 pm

Mon Jan 17, 2022 12:52 pm

Amy deposited $1,000 into an account that earns 8% annual interest compounded every 6 months. Bob deposited $1,000...

by M7MBA » Sun Jan 16, 2022 2:02 pm

*Amy deposited $1,000 into an account that earns 8% annual interest...*

0

Last post by M7MBA

Sun Jan 16, 2022 2:02 pm

Sun Jan 16, 2022 2:02 pm

If \(c\ne -5,\) then \(\dfrac{5ab+abc}{abc^2+10abc+25ab}\) is equivalent to which of the following?

by M7MBA » Sun Jan 16, 2022 12:11 pm

*If \(c\ne -5,\) then \(\dfrac{5ab+abc}{abc^2+10abc+25ab}\) is...*

0

Last post by M7MBA

Sun Jan 16, 2022 12:11 pm

Sun Jan 16, 2022 12:11 pm

If \(y=(x-5)^2+(x+1)^2-6,\) then \(y\) is least when \(x =\)

by M7MBA » Sun Jan 16, 2022 12:06 pm

*If \(y=(x-5)^2+(x+1)^2-6,\) then \(y\) is least when \(x =\) A. -2 B....*

0

Last post by M7MBA

Sun Jan 16, 2022 12:06 pm

Sun Jan 16, 2022 12:06 pm

At what simple annual interest rate must \(\$2,500\) be invested if it is to earn \(\$225\) in interest in one year?

by M7MBA » Fri Jan 14, 2022 9:15 am

*At what simple annual interest rate must \(\$2,500\) be invested if...*

1

Last post by [email protected]

Sat Jan 15, 2022 7:56 am

Sat Jan 15, 2022 7:56 am

Each bead in an urn is marked with a distinct positive integer and colored according to that integer’s remainder after

by M7MBA » Fri Jan 14, 2022 9:22 am

*Each bead in an urn is marked with a distinct positive integer and...*

0

Last post by M7MBA

Fri Jan 14, 2022 9:22 am

Fri Jan 14, 2022 9:22 am

At a certain school, the ratio of the number of second graders to the number of fourth-graders is 8 to 5, and the ratio

by M7MBA » Fri Jan 14, 2022 9:19 am

*At a certain school, the ratio of the number of second graders to the...*

0

Last post by M7MBA

Fri Jan 14, 2022 9:19 am

Fri Jan 14, 2022 9:19 am

A co. will select 2 of the 6 candidates available to work in 2 different positions in the Tech team and 3 of the 7

by BTGmoderatorDC » Thu Jan 13, 2022 6:35 pm

*A co. will select 2 of the 6 candidates available to work in 2...*

1

Last post by swerve

Fri Jan 14, 2022 5:50 am

Fri Jan 14, 2022 5:50 am

For a certain integer \(x,\) the units digit of \((x+2)^2\) is \(9.\) Which of the following could be the units digit of

by VJesus12 » Thu Jan 13, 2022 5:12 am

*For a certain integer \(x,\) the units digit of \((x+2)^2\) is \(9.\)...*

1

Last post by swerve

Fri Jan 14, 2022 5:38 am

Fri Jan 14, 2022 5:38 am

In Cliff’s impressive rock collection, there are half as many igneous rocks as sedimentary rocks. Of the igneous rocks,

by M7MBA » Thu Jan 13, 2022 12:25 pm

*In Cliff’s impressive rock collection, there are half as many...*

0

Last post by M7MBA

Thu Jan 13, 2022 12:25 pm

Thu Jan 13, 2022 12:25 pm

A certain consulting firm employs 8 men and 4 women. In March, 3 employees are selected at random to represent the compa

by M7MBA » Thu Jan 13, 2022 12:22 pm

*A certain consulting firm employs 8 men and 4 women. In March, 3...*

0

Last post by M7MBA

Thu Jan 13, 2022 12:22 pm

Thu Jan 13, 2022 12:22 pm

In a certain history class of 17 juniors and seniors, each junior has written 2 book reports and each senior has written

by VJesus12 » Wed Jan 12, 2022 10:22 am

*In a certain history class of 17 juniors and seniors, each junior has...*

1

Last post by [email protected]

Thu Jan 13, 2022 8:31 am

Thu Jan 13, 2022 8:31 am

If \(x\) is a negative integer and \(2 < x^2 < 36,\) what is the least possible value of \(|2x + 11|?\)

by VJesus12 » Thu Jan 13, 2022 5:07 am

*If \(x\) is a negative integer and \(2 < x^2 < 36,\) what is...*

0

Last post by VJesus12

Thu Jan 13, 2022 5:07 am

Thu Jan 13, 2022 5:07 am

There are \(50\) children in \(2nd\) grade at Venn Middle School. \(40\%\) of those kids play only soccer and \(30\%\)

by VJesus12 » Thu Jan 13, 2022 5:05 am

*There are \(50\) children in \(2nd\) grade at Venn Middle School....*

0

Last post by VJesus12

Thu Jan 13, 2022 5:05 am

Thu Jan 13, 2022 5:05 am

All the homes for sale in a certain community are either colonial or ranch style, and either white or blue. \(40\%\) of

by VJesus12 » Thu Jan 13, 2022 5:02 am

*All the homes for sale in a certain community are either colonial or...*

0

Last post by VJesus12

Thu Jan 13, 2022 5:02 am

Thu Jan 13, 2022 5:02 am

A set of data consists of the terms {2, 8, 13, 15, x}. If the range of the set is 2x, which of the following could be

by BTGmoderatorDC » Wed Jan 12, 2022 10:38 pm

*A set of data consists of the terms {2, 8, 13, 15, x}. If the range...*

0

Last post by BTGmoderatorDC

Wed Jan 12, 2022 10:38 pm

Wed Jan 12, 2022 10:38 pm

Under a certain company's medical insurance plan, the amount an employee must pay for medical expenses consists of

by BTGmoderatorLU » Wed Jan 12, 2022 5:36 pm

*Source: GMAT Prep Under a certain company's medical insurance plan,...*

0

Last post by BTGmoderatorLU

Wed Jan 12, 2022 5:36 pm

Wed Jan 12, 2022 5:36 pm

Last month, company \(X\) sold three-quarters of the widgets it produced, including two-thirds of its curved widgets. If

by VJesus12 » Wed Jan 12, 2022 10:54 am

*Last month, company \(X\) sold three-quarters of the widgets it...*

0

Last post by VJesus12

Wed Jan 12, 2022 10:54 am

Wed Jan 12, 2022 10:54 am

Paul drove 50 miles north, then changed direction and drove 120 miles east. At the end of this trip, how far was he from

by VJesus12 » Wed Jan 12, 2022 10:50 am

*Paul drove 50 miles north, then changed direction and drove 120 miles...*

0

Last post by VJesus12

Wed Jan 12, 2022 10:50 am

Wed Jan 12, 2022 10:50 am

A marketing survey of Anytown found that the ratio of trucks to sedans to motorcycles was 3:7:2, respectively. Given

by VJesus12 » Wed Jan 12, 2022 10:47 am

*A marketing survey of Anytown found that the ratio of trucks to...*

0

Last post by VJesus12

Wed Jan 12, 2022 10:47 am

Wed Jan 12, 2022 10:47 am

A number is said to be prime saturated if the product of all the different positive prime factors of \(n\) is less than

by VJesus12 » Wed Jan 12, 2022 10:43 am

*A number is said to be prime saturated if the product of all the...*

0

Last post by VJesus12

Wed Jan 12, 2022 10:43 am

Wed Jan 12, 2022 10:43 am

If a square is inscribed in a circle that, in turn, is inscribed in a larger square, what is the ratio of the perimeter

by VJesus12 » Wed Jan 12, 2022 10:40 am

*If a square is inscribed in a circle that, in turn, is inscribed in a...*

0

Last post by VJesus12

Wed Jan 12, 2022 10:40 am

Wed Jan 12, 2022 10:40 am

The line represented by the equation \(y = -2 x + 6\) is the perpendicular bisector of the line segment \(AB.\) If \(A\)

by VJesus12 » Wed Jan 12, 2022 10:37 am

*The line represented by the equation \(y = -2 x + 6\) is the...*

0

Last post by VJesus12

Wed Jan 12, 2022 10:37 am

Wed Jan 12, 2022 10:37 am

Brent is 18 years younger than Justin. If in 5 years Brent will be half as old as Justin, how old was Justin 5 years ago

by Vincen » Wed Jan 12, 2022 9:32 am

*Brent is 18 years younger than Justin. If in 5 years Brent will be...*

1

Last post by [email protected]

Wed Jan 12, 2022 10:33 am

Wed Jan 12, 2022 10:33 am

A certain state legislature consists of 124 members, each of whom is either a Democrat or a Republican. If there are 18

by Vincen » Wed Jan 12, 2022 9:21 am

*A certain state legislature consists of 124 members, each of whom is...*

1

Last post by [email protected]

Wed Jan 12, 2022 10:32 am

Wed Jan 12, 2022 10:32 am

In a certain class consisting of 36 students, some boys and some girls, exactly 1/3 of the boys and exactly 1/4 of the

by Vincen » Wed Jan 12, 2022 9:14 am

*In a certain class consisting of 36 students, some boys and some...*

1

Last post by [email protected]

Wed Jan 12, 2022 10:30 am

Wed Jan 12, 2022 10:30 am