## Data Sufficiency

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
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Last post by beatthegmat
Wed Sep 20, 2017 9:23 am
Que: If a certain machine produces toys at a constant rate, how many minutes will it take..........
by [email protected] Revolution »
Que: If a certain machine produces toys at a constant rate, how many...
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Last post by [email protected] Revolution
Mon May 10, 2021 9:23 pm
Que: If the ratio of the numbers of men to women to children in a certain room is 4 to 7 to 9..........
by [email protected] Revolution »
Que: If the ratio of the numbers of men to women to children in a...
1
Last post by [email protected] Revolution
Mon May 10, 2021 9:09 pm
During a certain game, after each turn, a player’s points are doubled and then reduced by 80. Players can only have a
by BTGmoderatorDC »
During a certain game, after each turn, a player’s points are...
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Last post by BTGmoderatorDC
Mon May 10, 2021 3:04 pm
What is the value of the integer p?
by Vincen »
What is the value of the integer p? (1) Each of the integers 2, 3,...
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Last post by [email protected]
Mon May 10, 2021 6:49 am
What is the tens digit of positive integer x ? (1) x divided by 100 has a remainder of 30. (2) x divided by 110 has...
by Vincen »
What is the tens digit of positive integer $$x?$$ (1) $$x$$ divided...
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Last post by [email protected]
Mon May 10, 2021 6:48 am
If $$x$$ is a positive number less than $$10,$$ is $$z$$ greater than the average (arithmetic mean) of $$x$$ and $$10?$$
by Vincen »
If $$x$$ is a positive number less than $$10,$$ is $$z$$ greater than...
1
Last post by [email protected]
Mon May 10, 2021 6:48 am
What is the sum of a certain pair of consecutive odd integers?
by Vincen »
What is the sum of a certain pair of consecutive odd integers? (1) At...
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Last post by [email protected]
Mon May 10, 2021 6:46 am
On a certain nonstop trip, Marta averaged x miles per hour for 2 hours and y miles per hour for the remaining 3 hours.
by AAPL »
Official Guide On a certain nonstop trip, Marta averaged x miles per...
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Last post by AAPL
Mon May 10, 2021 6:01 am
Que: Machine A and machine B produce toys at their constant rates, respectively. In how many hours.....
by [email protected] Revolution »
Que: Machine A and machine B produce toys at their constant rates,...
1
Last post by [email protected] Revolution
Sun May 09, 2021 11:57 pm
In the equation $$x^2 + bx + 12 = 0,$$ $$x$$ is a variable and $$b$$ is a constant. What is the value of $$b?$$
by Vincen »
In the equation $$x^2 + bx + 12 = 0,$$ $$x$$ is a variable and $$b$$...
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Last post by Vincen
Sun May 09, 2021 2:34 pm
The symbol $$\triangledown$$ represents one of the following operations: addition, subtraction, multiplication, or....
by Vincen »
The symbol $$\triangledown$$ represents one of the following...
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Last post by Vincen
Sun May 09, 2021 2:26 pm
Last year $$\dfrac{3}{5}$$ of the members of a certain club were males. This year the members of the club include all...
by Vincen »
Last year $$\dfrac{3}{5}$$ of the members of a certain club were...
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Last post by Vincen
Sun May 09, 2021 2:16 pm
Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets....
by Vincen »
Last year in a group of 30 businesses, 21 reported a net profit and...
0
Last post by Vincen
Sun May 09, 2021 2:03 pm
$$[y]$$ denotes the greatest integer less than or equal to y. Is $$d < 1?$$
by Vincen »
 denotes the greatest integer less than or equal to y. Is $$d... 0 Last post by Vincen Sun May 09, 2021 1:59 pm The side of an equilateral triangle has the same length as the diagonal of a square. What is the area of the square? by BTGmoderatorLU » Source: Manhattan Prep The side of an equilateral triangle has the... 0 Last post by BTGmoderatorLU Sun May 09, 2021 7:59 am Que: What is the total number of sports clubs that John and Sandy have? by [email protected] Revolution » Que: What is the total number of sports clubs that John and Sandy... 1 Last post by [email protected] Revolution Sat May 08, 2021 8:20 pm Is x > 3y ? by BTGmoderatorDC » Is x > 3y ? (1) x/y > 3 (2) y > 7 OA C Source: Veritas Prep 0 Last post by BTGmoderatorDC Sat May 08, 2021 3:46 pm If a and b are positive integers by canbtg » If a and b are positive integers is a/b < 9/11? A)a/b < 0.818... 6 Last post by [email protected] Sat May 08, 2021 10:33 am In a real estate office that employs n salespeople, f of the by BTGmoderatorDC » In a real estate office that employs n salespeople, f of them are... 2 Last post by [email protected] Sat May 08, 2021 10:29 am Robin invested a total of 12,000 in two investments, X and Y, so that by BTGModeratorVI » Robin invested a total of 12,000 in two investments, X and Y, so... 3 Last post by [email protected] Sat May 08, 2021 10:25 am Square ABCD is inscribed in circle O. What is the area of square region ABCD? by BTGmoderatorDC » Square ABCD is inscribed in circle O. What is the area of square... 2 Last post by [email protected] Sat May 08, 2021 10:22 am George has a total of B books in his library by jjjinapinch » George has a total of B books in his library, 25 of which are... 3 Last post by [email protected] Sat May 08, 2021 10:16 am A certain investment earned a fixed rate of 4 percent by jjjinapinch » A certain investment earned a fixed rate of 4 percent interest per... 4 Last post by [email protected] Sat May 08, 2021 10:12 am Is x = 1/y? by jjjinapinch » Is x = 1/y? (1) xy = 1 (2) 1/(xy) = 1 Official Guide question Answer:... 4 Last post by [email protected] Sat May 08, 2021 10:00 am Is rw = 0? by BTGModeratorVI » Is rw = 0? (1) -6 < r < 5 (2) 6 < w < 10 Answer: E... 2 Last post by [email protected] Sat May 08, 2021 9:57 am What was the range of the selling prices of the 30 by jjjinapinch » What was the range of the selling prices of the 30 wallets sold by a... 3 Last post by [email protected] Sat May 08, 2021 9:54 am GMAT Official Guide 2019 Machine R and machine S work by BTGmoderatorDC » Machine R and machine S work at their respective constant rates. How... 3 Last post by [email protected] Sat May 08, 2021 9:49 am If sequence S has 120 terms, what is the 105th term of S? by BTGModeratorVI » If sequence S has 120 terms, what is the 105th term of S? (1) The... 2 Last post by [email protected] Sat May 08, 2021 9:44 am GMAT Official Guide 2019 Was the amount of John's by BTGmoderatorDC » Was the amount of John's heating bill for February greater than it... 2 Last post by [email protected] Sat May 08, 2021 9:41 am GMAT Official Guide 2019 Last semester, Professor K taught by BTGmoderatorDC » Last semester, Professor K taught two classes, A and B. Each student... 2 Last post by [email protected] Sat May 08, 2021 9:39 am white or blue. If one marble is to be selected at random fro by jjjinapinch » Each of the marbles in a jar is either red or white or blue. If one... 4 Last post by [email protected] Sat May 08, 2021 9:35 am If 25% of the employees at a firm did not take a vacation last year, what percent of the employees received a promotion? by BTGmoderatorDC » If 25% of the employees at a firm did not take a vacation last year,... 0 Last post by BTGmoderatorDC Fri May 07, 2021 2:33 pm Last Friday a certain shop sold 3/4 of the sweaters in its inventory. Each sweater sold for 20. What was the total reve by Gmat_mission » Last Friday a certain shop sold 3/4 of the sweaters in its inventory.... 0 Last post by Gmat_mission Fri May 07, 2021 8:01 am At what speed was a train traveling on a trip when it had completed half of the total distance of the trip? by Gmat_mission » At what speed was a train traveling on a trip when it had completed... 0 Last post by Gmat_mission Fri May 07, 2021 7:58 am Is \(rst = 1 ?$$
by Gmat_mission »
Is $$rst = 1 ?$$ (1) $$rs = 1$$ (2) $$st = 1$$ Answer: E Source: GMAT...
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Last post by Gmat_mission
Fri May 07, 2021 7:52 am
In a recent survey, twenty families reported their incomes for 1995. Was the range of reported 1995 incomes for these
by Gmat_mission »
In a recent survey, twenty families reported their incomes for 1995....
0
Last post by Gmat_mission
Fri May 07, 2021 7:50 am
What is the volume of a certain rectangular solid?
by Gmat_mission »
What is the volume of a certain rectangular solid? (1) Two adjacent...
0
Last post by Gmat_mission
Fri May 07, 2021 7:44 am
If $$n$$ and $$t$$ are positive integers, is $$n$$ a factor of $$t?$$
by Gmat_mission »
If $$n$$ and $$t$$ are positive integers, is $$n$$ a factor of $$t?$$...
0
Last post by Gmat_mission
Fri May 07, 2021 7:42 am
Is $$x$$ between $$0$$ and $$1?$$
by Gmat_mission »
Is $$x$$ between $$0$$ and $$1?$$ (1) $$x$$ is between $$-\dfrac12$$...
0
Last post by Gmat_mission
Fri May 07, 2021 7:37 am
What is the value of $$a - b?$$
by M7MBA »
What is the value of $$a - b?$$ (1) $$a=b+4$$ (2) $$(a-b)^2=16$$...
0
Last post by M7MBA
Fri May 07, 2021 7:31 am
What is the average (arithmetic mean) of $$x, y,$$ and $$z?$$
by M7MBA »
What is the average (arithmetic mean) of $$x, y,$$ and $$z?$$ (1) $$x... 0 Last post by M7MBA Fri May 07, 2021 7:29 am Machines X and Y can work at their respective constant rates to manufacture a certain production unit. If both are by BTGmoderatorDC » Machines X and Y can work at their respective constant rates to... 0 Last post by BTGmoderatorDC Thu May 06, 2021 3:19 pm Que: If x is an integer, is \(x^2-x$$ a multiple of 18?
by [email protected] Revolution »
Que: If x is an integer, is $$x^2-x$$ a multiple of 18? (1) x- 1 is...
1
Last post by [email protected] Revolution
Wed May 05, 2021 9:18 pm
In the 30-day month of June, a motorcycle dealership sold a different number of motorcycles each day. If it recorded at
by BTGmoderatorDC »
In the 30-day month of June, a motorcycle dealership sold a different...
1
Last post by swerve
Wed May 05, 2021 6:39 pm
At the bakery, Lew spent a total of $6.00 for one kind of cupcake and one kind of doughnut. How many doughnuts did he by VJesus12 » At the bakery, Lew spent a total of$6.00 for one kind of cupcake and...
1
Last post by [email protected]
Wed May 05, 2021 7:01 am
If there are more than two numbers in a certain list, is each of the numbers in the list equal to 0?
by Gmat_mission »
If there are more than two numbers in a certain list, is each of the...
1
Last post by [email protected]
Wed May 05, 2021 6:58 am
Lines $$n$$ and $$p$$ lie in the $$xy$$-plane. Is the slope of line $$n$$ less than the slope of line $$p?$$
by VJesus12 »
Lines $$n$$ and $$p$$ lie in the $$xy$$-plane. Is the slope of line...
1
Last post by [email protected]
Wed May 05, 2021 6:55 am
0
Last post by BTGmoderatorLU
Wed May 05, 2021 3:49 am
Que: Is an integer 'n' odd?
by [email protected] Revolution »
Que: Is an integer 'n' odd? (1) n - 5 is an even integer. (2)...
1
Last post by [email protected] Revolution
Tue May 04, 2021 9:25 pm
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