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Data Sufficiency

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The median of a set of 5 different numbers is x. If we add another set of 5 numbers to the existing set, will the new
by BTGmoderatorDC »
The median of a set of 5 different numbers is x. If we add another...
0
Last post by BTGmoderatorDC
Fri Jun 04, 2021 11:41 pm
In a certain year, the difference between Mary's and Jim's annual salaries was twice the difference between Mary's and
by Vincen »
In a certain year, the difference between Mary's and Jim's annual...
2
Last post by swerve
Fri Jun 04, 2021 6:58 am
What is the remainder when positive integer n is divided by 4?
by BTGmoderatorLU »
Source: Magoosh What is the remainder when positive integer n is...
1
Last post by Brent@GMATPrepNow
Thu Jun 03, 2021 5:09 am
Statistics And Sets Problems
by swerve »
In a certain first grade classroom, the average height is \(x\)...
1
Last post by Brent@GMATPrepNow
Thu Jun 03, 2021 5:04 am
If r
by BTGmoderatorDC »
If r - s = 240, does r = 320? (1) r = 4s (2) s = 80 OA D Source:...
1
Last post by Brent@GMATPrepNow
Thu Jun 03, 2021 5:03 am
What is the remiander when positive integer n is divided by 5?
by AAPL »
Official Guide What is the remainder when positive integer n is...
0
Last post by AAPL
Thu Jun 03, 2021 3:28 am
What is the value of \(x?\)
by VJesus12 »
What is the value of \(x?\) (1) \(x=\dfrac1{x^2}\) (2)...
0
Last post by VJesus12
Wed Jun 02, 2021 10:57 am
Is the positive integer \(x\) even?
by VJesus12 »
Is the positive integer \(x\) even? (1) \(x\) is NOT divisible by...
0
Last post by VJesus12
Wed Jun 02, 2021 10:55 am
Is the product of integers \(M\) and \(N\) even?
by VJesus12 »
Is the product of integers \(M\) and \(N\) even? (1) \(N\) can be...
0
Last post by VJesus12
Wed Jun 02, 2021 10:49 am
If \(x\) and \(y\) are positive integers such that \(x = 8y + 12,\) what is the greatest common divisor of \(x\) and
by VJesus12 »
If \(x\) and \(y\) are positive integers such that \(x = 8y + 12,\)...
0
Last post by VJesus12
Wed Jun 02, 2021 10:37 am
If \(a^2 - b^2 = b^2 - c^2,\) is \(a = |b|?\)
by VJesus12 »
If \(a^2 - b^2 = b^2 - c^2,\) is \(a = |b|?\) (1) \(b = |c|\) (2) \(b...
0
Last post by VJesus12
Wed Jun 02, 2021 10:32 am
A construction company was paid a total of \(\$500,000\) for a construction project. The company's only costs for the
by VJesus12 »
A construction company was paid a total of \(\$500,000\) for a...
0
Last post by VJesus12
Wed Jun 02, 2021 10:29 am
What is the value of \(xy?\)
by Vincen »
What is the value of \(xy?\) (1) \(3^x\cdot 5^y=75\) (2)...
0
Last post by Vincen
Wed Jun 02, 2021 10:26 am
\(a\) and \(b\) are positive integers such that they do not have any common prime factor. What is the remainder when the
by Vincen »
\(a\) and \(b\) are positive integers such that they do not have any...
0
Last post by Vincen
Wed Jun 02, 2021 10:12 am
Suppose n children is going to sit, in any order, on a row of n chairs. What is the value of n?
by BTGmoderatorLU »
Source: Magoosh Suppose n children are going to sit, in any order,...
0
Last post by BTGmoderatorLU
Wed Jun 02, 2021 9:59 am
Lists \(S\) and \(T\) consist of the same number of positive integers. Is the median of the integers in \(S\) greater
by Vincen »
Lists \(S\) and \(T\) consist of the same number of positive...
0
Last post by Vincen
Wed Jun 02, 2021 9:33 am
Of the 1400 college teachers surveyed, 42% said they
by BTGmoderatorLU »
Source: GMAT Prep Of the 1400 college teachers surveyed, 42% said...
2
Last post by Brent@GMATPrepNow
Wed Jun 02, 2021 5:55 am
What is the value of \(\dfrac{2t + t - x}{t - x}?\)
by Vincen »
What is the value of \(\dfrac{2t + t - x}{t - x}?\) (1)...
1
Last post by Brent@GMATPrepNow
Wed Jun 02, 2021 5:50 am
What is the greatest common divisor of positive integers x and y?
by BTGmoderatorDC »
What is the greatest common divisor of positive integers x and y? (1)...
0
Last post by BTGmoderatorDC
Wed Jun 02, 2021 5:28 am
There is a set of beads, each of which is painted either red or blue. The beads are split, with each bead being cut in
by AAPL »
Princeton Review There is a set of beads, each of which is painted...
0
Last post by AAPL
Tue Jun 01, 2021 5:39 pm
In the xy-plane, does the line L intersect the graph of y = x^2
by BTGmoderatorDC »
In the xy-plane, does the line L intersect the graph of y = x^2 (1)...
1
Last post by swerve
Tue Jun 01, 2021 10:13 am
Is xm < ym ?
by BTGModeratorVI »
Is xm < ym ? (1) x > y (2) m < 0 Answer: C Source: Official...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 2:17 pm
In the figure above, AB, which has length z cm, is tangent t
by Anaira Mitch »
In the figure above, AB, which has length z cm, is tangent to the...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 2:12 pm
How much did credit-card fraud cost United States banks in year X to the nearest $ 10 million?
by BTGmoderatorLU »
Source: Official Guide How much did credit-card fraud cost United...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 2:06 pm
On June 1, Mary paid Omar $360 for rent and utilities for
by swerve »
On June 1, Mary paid Omar $360 for rent and utilities for the month...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:56 pm
A telephone station has x processors, each
by jjjinapinch »
A telephone station has x processors, each of which can process a...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:53 pm
If x = 2t and y = t/3, what is the value
by jjjinapinch »
If x = 2t and y = t/3, what is the value of x^2 - y^2? (1) t^2 - 3 =...
3
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:50 pm
Statistics based Problem - Simple Explanation please !
by aditiniyer »
Beginning in January of last year, Carl made deposits of 120$ into...
3
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:43 pm
What amount did Jean earn from the commission on her sales
by BTGmoderatorDC »
What amount did Jean earn from the commission on her sales in the...
3
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:38 pm
OG What is the length of a side of square region A
by AbeNeedsAnswers »
In the figure above, if the area of triangular region D is 4, what...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:17 pm
What is the value of x + y in the figure above?
by BTGModeratorVI »
What is the value of x + y in the figure above? (1) w= 95 (2) z =...
2
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:11 pm
In a certain business, production index \(p\) is directly proportional to efficiency index \(e,\) which is in turn direc
by M7MBA »
In a certain business, production index \(p\) is directly...
1
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:09 pm
If n is a positive integer, what is the tens digit of n ?
by Azzaya »
Hi all, I am having a hard time understanding how Statement (2) is...
4
Last post by Scott@TargetTestPrep
Mon May 31, 2021 1:07 pm
OG What is the value of (2t + t - x)/(t - x)
by AbeNeedsAnswers »
What is the value of (2t + t - x)/(t - x)? (1) 2t/(t - x) = 3 (2) t -...
3
Last post by Scott@TargetTestPrep
Mon May 31, 2021 12:55 pm
In a certain company, at least 200 people own manual transmission vehicles. If 12 percent of the people who own manual
by BTGmoderatorLU »
Source: Princeton Review At a certain company, at least 200 people...
0
Last post by BTGmoderatorLU
Mon May 31, 2021 10:08 am
At a certain airline, the cost of airfare to London has increased by 20 percent. If the cost of the airfare to Paris has
by BTGmoderatorLU »
Source: Princeton Review At a certain airline, the cost of airfare...
0
Last post by BTGmoderatorLU
Mon May 31, 2021 10:00 am
If \(x\) is an integer, is \(\dfrac{x}{y}\) an integer?
by Vincen »
If \(x\) is an integer, is \(\dfrac{x}{y}\) an integer? (1)...
0
Last post by Vincen
Mon May 31, 2021 8:22 am
If \(a\) and \(b\) are positive integers, what is the greatest common divisor of \(a\) and \(b?\)
by Vincen »
If \(a\) and \(b\) are positive integers, what is the greatest common...
0
Last post by Vincen
Mon May 31, 2021 8:18 am
If \(x\) is a positive integer greater than \(1,\) is \(x\) a prime number?
by Vincen »
If \(x\) is a positive integer greater than \(1,\) is \(x\) a prime...
0
Last post by Vincen
Mon May 31, 2021 8:15 am
Does \(2m - 3n = 0?\)
by Vincen »
Does \(2m - 3n = 0?\) (1) \(m \ne 0\) (2) \(6m = 9n\) Answer: B...
0
Last post by Vincen
Mon May 31, 2021 8:11 am
Are all the angles of triangle \(ABC\) smaller than \(90\) degrees?
by Vincen »
Are all the angles of triangle \(ABC\) smaller than \(90\) degrees?...
0
Last post by Vincen
Mon May 31, 2021 8:05 am
On the number line above, \(p, q, r, s,\) and \(t\) are five consecutive even integers in increasing order. What is the
by Vincen »
Number line.png On the number line above, \(p, q, r, s,\) and \(t\)...
0
Last post by Vincen
Mon May 31, 2021 8:01 am
The sequence \(a_1, a_2, a_3, \ldots , a_n,\ldots\) is such that \(a_n=\dfrac1{n^2}-\dfrac1{(n-1)^2}\) for all integers
by Vincen »
The sequence \(a_1, a_2, a_3, \ldots , a_n,\ldots\) is such that...
0
Last post by Vincen
Mon May 31, 2021 7:58 am
If \(x\) and \(y\) are integers, is \(x + y\) even?
by Vincen »
If \(x\) and \(y\) are integers, is \(x + y\) even? (1) \(x + 2y\) is...
0
Last post by Vincen
Mon May 31, 2021 7:53 am
What is the mean age of all students of the city's schools?
by Vincen »
What is the mean age of all students of the city's schools? (1) The...
0
Last post by Vincen
Mon May 31, 2021 7:49 am
Is \(A + B + C\) even?
by Vincen »
Is \(A + B + C\) even? (1) \(A - C - B\) is even. (2) \(\dfrac{A -...
0
Last post by Vincen
Mon May 31, 2021 7:46 am
If \(x^2y^3=200,\) what is \(xy?\)
by Vincen »
If \(x^2y^3=200,\) what is \(xy?\) (1) \(y\) is an integer. (2)...
0
Last post by Vincen
Mon May 31, 2021 7:44 am
A certain company has 255 employees. If an employee is to be selected at random from the company's employees, is the pro
by Vincen »
A certain company has 255 employees. If an employee is to be selected...
0
Last post by Vincen
Mon May 31, 2021 7:36 am
A farmer has 4 henhouses, each containing 6 egg-laying hens.Each henhouse is painted a different color: red, blue,
by BTGmoderatorDC »
A farmer has 4 henhouses, each containing 6 egg-laying hens.Each...
0
Last post by BTGmoderatorDC
Sun May 30, 2021 4:22 pm
In the \(xy\)-plane, at what two points does the graph of \(y = (x + a)(x + b)\) intersect the \(x\)-axis?
by Vincen »
In the \(xy\)-plane, at what two points does the graph of \(y = (x +...
1
Last post by Brent@GMATPrepNow
Sat May 29, 2021 4:19 am