BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Data Sufficiency

New Topic
Advanced search
Topics
POSTS
Last post
Is a positive integer \(x\) odd?
by Vincen »
Is a positive integer \(x\) odd? (1) The greatest common factor of...
0
Last post by Vincen
Tue Aug 17, 2021 7:24 am
Is \(ab<a?\)
by Vincen »
Is \(ab<a?\) (1) \(a=0\) (2) \(b=0\) Answer: A Source: Veritas Prep
0
Last post by Vincen
Tue Aug 17, 2021 7:20 am
If \(x\) is a positive integer, is \((x)(x + 2)(x + 4)\) divisible by \(12?\)
by Vincen »
If \(x\) is a positive integer, is \((x)(x + 2)(x + 4)\) divisible by...
0
Last post by Vincen
Tue Aug 17, 2021 7:16 am
If \(xy\ne 0\) and \(x^{y+1}=2x^y-1,\) what is the value of \(x?\)
by Vincen »
If \(xy\ne 0\) and \(x^{y+1}=2x^y-1,\) what is the value of \(x?\)...
0
Last post by Vincen
Tue Aug 17, 2021 7:14 am
What is the difference between the lengths of diagonals of parallelogram \(ABCD \, (BD > AC)?\)
by Vincen »
What is the difference between the lengths of diagonals of...
0
Last post by Vincen
Tue Aug 17, 2021 7:08 am
If \(r,s,\) and \(t\) are integers, is \(r+s=\sqrt{t}?\)
by Vincen »
If \(r,s,\) and \(t\) are integers, is \(r+s=\sqrt{t}?\) \(r<-s\)...
0
Last post by Vincen
Tue Aug 17, 2021 7:04 am
If \(r,s,\) and \(t\) are integers, is \(r+s=\sqrt{t}?\)
by Vincen »
If \(r,s,\) and \(t\) are integers, is \(r+s=\sqrt{t}?\) \(r<-s\)...
0
Last post by Vincen
Tue Aug 17, 2021 6:58 am
On the \(xy\)-coordinate grid, does the line passing through point \(P\) (not shown) have a slope greater than \(2?\)
by Vincen »
On the \(xy\)-coordinate grid, does the line passing through point...
0
Last post by Vincen
Tue Aug 17, 2021 6:51 am
Triangles \(ABC\) and \(DEF\) are similar right triangles. If the hypotenuse of triangle \(DEF\) has a length of \(20,\)
by Vincen »
Triangles \(ABC\) and \(DEF\) are similar right triangles. If the...
0
Last post by Vincen
Tue Aug 17, 2021 6:42 am
Stores \(L\) and \(M\) each sell a certain product at a different regular price. If both stores discount their regular
by Gmat_mission »
Stores \(L\) and \(M\) each sell a certain product at a different...
1
Last post by Brent@GMATPrepNow
Tue Aug 17, 2021 6:28 am
A group of 4 boys and 5 girls take a test. What is the average (arithmetic mean) score of the group in the test?
by BTGmoderatorDC »
A group of 4 boys and 5 girls take a test. What is the average...
1
Last post by swerve
Tue Aug 17, 2021 4:23 am
Que: If a and b are positive integers, is ab a multiple of 18?
by Max@Math Revolution »
Que: If a and b are positive integers, is ab a multiple of 18? (1) a...
1
Last post by Max@Math Revolution
Mon Aug 16, 2021 9:04 pm
If a, b, c, d, and e are distinct odd integers, which of the five numbers is the median?
by BTGmoderatorLU »
Source: Princeton Review If a, b, c, d, and e are distinct odd...
0
Last post by BTGmoderatorLU
Mon Aug 16, 2021 1:04 pm
If w, x, y and z are integers and w + x = y, is y divisible by z?
by AAPL »
Manhattan Prep If w, x, y and z are integers and w + x = y, is y...
0
Last post by AAPL
Mon Aug 16, 2021 6:17 am
In a certain sequence, each term, starting with the 3rd term, is found by multiplying the previous two terms.
by BTGmoderatorDC »
In a certain sequence, each term, starting with the 3rd term, is...
0
Last post by BTGmoderatorDC
Mon Aug 16, 2021 2:50 am
Que: When P is divided by 2, is the remainder 1?
by Max@Math Revolution »
Que: When P is divided by 2, is the remainder 1? (1)...
1
Last post by Max@Math Revolution
Sun Aug 15, 2021 8:58 pm
An estimate of an actual data value has an error of \(p\) percent if \(p=\dfrac{100|e-a|}{a},\) where \(e\) is the estim
by Gmat_mission »
An estimate of an actual data value has an error of \(p\) percent if...
0
Last post by Gmat_mission
Sun Aug 15, 2021 3:50 pm
If \(x\) and \(y\) are positive integers, is \(x\) even?
by Gmat_mission »
If \(x\) and \(y\) are positive integers, is \(x\) even? (1) \(y^x\)...
0
Last post by Gmat_mission
Sun Aug 15, 2021 3:46 pm
In the \(xy\)-plane, does the line with equation \(y = 3x + 2\) contains the point \((r,s)?\)
by Gmat_mission »
In the \(xy\)-plane, does the line with equation \(y = 3x + 2\)...
0
Last post by Gmat_mission
Sun Aug 15, 2021 3:38 pm
Did one of the 3 members of a certain team sell at least 2 raffle tickets yesterday?
by Gmat_mission »
Did one of the 3 members of a certain team sell at least 2 raffle...
0
Last post by Gmat_mission
Sun Aug 15, 2021 3:34 pm
A square and a circle intersect at more than one point. Does the square have more area than the circle?
by Gmat_mission »
A square and a circle intersect at more than one point. Does the...
0
Last post by Gmat_mission
Sun Aug 15, 2021 3:31 pm
If \(a\) is a \(3\)-digit integer and \(b\) is a \(3\)-digit integer, is the units digit of the product of \(a\) and
by Gmat_mission »
If \(a\) is a \(3\)-digit integer and \(b\) is a \(3\)-digit integer,...
0
Last post by Gmat_mission
Sun Aug 15, 2021 3:27 pm
In the figure above \(- \angle ABC = \angle ADC = 90^{\circ}.\) Is \(AD > BC?\)
by M7MBA »
Q370-e1480320572599.png In the figure above \(- \angle ABC = \angle...
0
Last post by M7MBA
Sun Aug 15, 2021 3:22 pm
Sofia will attend a sequence of daily training sessions for her job. On the last day of her training sessions, she will
by M7MBA »
Sofia will attend a sequence of daily training sessions for her job....
0
Last post by M7MBA
Sun Aug 15, 2021 3:18 pm
If \(x\) and \(y\) are positive, is \(\sqrt{x+y}>10?\)
by M7MBA »
If \(x\) and \(y\) are positive, is \(\sqrt{x+y}>10?\) (1)...
0
Last post by M7MBA
Sun Aug 15, 2021 3:15 pm
Tickets to a play cost $10 for children and $25 for adults. If 90 tickets were sold, were more adult tickets sold than
by M7MBA »
Tickets to a play cost $10 for children and $25 for adults. If 90...
0
Last post by M7MBA
Sun Aug 15, 2021 3:10 pm
Buster leaves the trailer at noon and walks towards the studio at a constant rate of \(B\) miles per hour. \(20\) minute
by M7MBA »
Buster leaves the trailer at noon and walks towards the studio at a...
0
Last post by M7MBA
Sun Aug 15, 2021 3:07 pm
On his trip from Alba to Benton, Julio drove the first \(x\) miles at an average rate of \(50\) miles per hour and the
by M7MBA »
On his trip from Alba to Benton, Julio drove the first \(x\) miles at...
0
Last post by M7MBA
Sun Aug 15, 2021 3:04 pm
In the 30-day month of June, a motorcycle dealership sold a different number of motorcycles each day. If it recorded at
by M7MBA »
In the 30-day month of June, a motorcycle dealership sold a different...
0
Last post by M7MBA
Sun Aug 15, 2021 2:57 pm
Abe, Beth, Carl, and Duncan are four siblings, among which Abe and Carl are twins, and Beth and Duncan are also twins.
by M7MBA »
Abe, Beth, Carl, and Duncan are four siblings, among which Abe and...
0
Last post by M7MBA
Sun Aug 15, 2021 2:55 pm
From May 1 to May 30 in the same year, the balance in a checking account increased. What was the balance in the checking
by M7MBA »
From May 1 to May 30 in the same year, the balance in a checking...
0
Last post by M7MBA
Sun Aug 15, 2021 2:52 pm
Is \(xy < 0?\)
by M7MBA »
Is \(xy < 0?\) (1) \(|x - y| > |x| - |y|\) (2) \(x > y\)...
0
Last post by M7MBA
Sun Aug 15, 2021 2:49 pm
If \(a\) and \(b\) are distinct positive integers, what is the units digit of \(2^a\cdot 8^b\cdot 4^{a+b}?\)
by M7MBA »
If \(a\) and \(b\) are distinct positive integers, what is the units...
0
Last post by M7MBA
Sun Aug 15, 2021 2:44 pm
In the rectangular coordinate system, line \(k\) passes through the point \((n, -1).\) Is the slope of line \(k\) greate
by M7MBA »
In the rectangular coordinate system, line \(k\) passes through the...
0
Last post by M7MBA
Sun Aug 15, 2021 2:40 pm
Are at least \(10\) percent of the people in Country \(X\) who are \(65\) years old or older employed?
by VJesus12 »
Are at least \(10\) percent of the people in Country \(X\) who are...
1
Last post by Brent@GMATPrepNow
Sun Aug 15, 2021 2:32 pm
If \(S\) is a set of four numbers \(w, x, y,\) and \(z,\) is the range of the numbers in \(S\) greater than \(2?\)
by M7MBA »
If \(S\) is a set of four numbers \(w, x, y,\) and \(z,\) is the...
0
Last post by M7MBA
Sun Aug 15, 2021 9:05 am
Is \(x > 0?\)
by VJesus12 »
Is \(x > 0?\) (1) \(|2x-12| < 10\) (2) \(x^2 - 10x >= -21\)...
0
Last post by VJesus12
Sun Aug 15, 2021 9:03 am
There is at least one red ball and at least one blue ball in a box. How many blue balls are there?
by VJesus12 »
There is at least one red ball and at least one blue ball in a box....
0
Last post by VJesus12
Sun Aug 15, 2021 8:54 am
If \(x\) is a positive integer, is \(x\) even?
by VJesus12 »
If \(x\) is a positive integer, is \(x\) even? (1) The remainder of...
0
Last post by VJesus12
Sun Aug 15, 2021 8:51 am
If \(x\) and \(y\) are positive, is \(81^3=27^{y-x}?\)
by VJesus12 »
If \(x\) and \(y\) are positive, is \(81^3=27^{y-x}?\) (1)...
0
Last post by VJesus12
Sun Aug 15, 2021 8:40 am
\(A, B,\) and \(C\) have received their Math midterm scores today. They find that the arithmetic mean of the three score
by VJesus12 »
\(A, B,\) and \(C\) have received their Math midterm scores today....
0
Last post by VJesus12
Sun Aug 15, 2021 8:20 am
Hogwarts Express covers the distance between King’s Cross station and Hogsmeade station. On a certain day, the train tra
by VJesus12 »
Hogwarts Express covers the distance between King’s Cross station...
0
Last post by VJesus12
Sun Aug 15, 2021 8:07 am
In a certain group, the average (arithmetic mean) age of the males is 28, and the average age of the females is 30. If
by VJesus12 »
In a certain group, the average (arithmetic mean) age of the males is...
0
Last post by VJesus12
Sun Aug 15, 2021 8:03 am
Is \(\sqrt{(y-4)^2}=4-y?\)
by VJesus12 »
Is \(\sqrt{(y-4)^2}=4-y?\) (1) \(|y-3|\) is less than or equal to...
0
Last post by VJesus12
Sun Aug 15, 2021 7:59 am
Each vote in a certain election went to one of the two candidates, \(X\) or \(Y.\) Candidate \(X\) received \(624\) vote
by Vincen »
Each vote in a certain election went to one of the two candidates,...
1
Last post by Brent@GMATPrepNow
Sun Aug 15, 2021 5:41 am
While driving on the expressway, did Robin ever exceed the 55-miles-per-hour speed limit?
by Vincen »
While driving on the expressway, did Robin ever exceed the...
1
Last post by Brent@GMATPrepNow
Sun Aug 15, 2021 5:29 am
If \(x\) and \(y\) are integers and \(4xy = x^2y+4y,\) what is the value of \(xy?\)
by Vincen »
If \(x\) and \(y\) are integers and \(4xy = x^2y+4y,\) what is the...
0
Last post by Vincen
Sun Aug 15, 2021 12:39 am
Is \(|x - y| < |x| + |y|?\)
by Vincen »
Is \(|x - y| < |x| + |y|?\) (1) \(y < x\) (2) \(xy < 0\)...
0
Last post by Vincen
Sun Aug 15, 2021 12:29 am
If \(a\) and \(b\) are two distinct positive integers, what is the remainder when \(a\) divides \(b?\)
by Vincen »
If \(a\) and \(b\) are two distinct positive integers, what is the...
0
Last post by Vincen
Sun Aug 15, 2021 12:25 am
If \(S\) is the infinite sequence: \(S_1=9, S_2=99, S_3=999, \ldots, S_K = 10^K-1,\ldots,\) is every term in \(S\) divis
by Vincen »
If \(S\) is the infinite sequence: \(S_1=9, S_2=99, S_3=999, \ldots,...
0
Last post by Vincen
Sun Aug 15, 2021 12:19 am