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

Redeem

Data Sufficiency

New Topic
Advanced search
Topics
POSTS
Last post
The integers from list \(A\) are used to form two distinct sets \(P\) and \(Q\) each consisting of distinct integers
by M7MBA »
\(A =\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}\) The integers from list \(A\)...
0
Last post by M7MBA
Sun Dec 27, 2020 8:19 am
How many people in a society of 500 own both a bike and a car?
by M7MBA »
How many people in a society of 500 own both a bike and a car? I. The...
0
Last post by M7MBA
Sun Dec 27, 2020 7:55 am
For any positive number \(n,\) the function \(\#n\) represents the value of the number \(n\) rounded to the nearest inte
by VJesus12 »
For any positive number \(n,\) the function \(\#n\) represents the...
0
Last post by VJesus12
Sun Dec 27, 2020 7:51 am
\(x\) is a prime number and \(y\) is a positive integer. If \(x\) and \(y\) have only two common factors, what is the
by VJesus12 »
\(x\) is a prime number and \(y\) is a positive integer. If \(x\) and...
0
Last post by VJesus12
Sun Dec 27, 2020 7:45 am
If \(x\) is a non-zero number, is \(\dfrac{x}{|x|}<x?\)
by VJesus12 »
If \(x\) is a non-zero number, is \(\dfrac{x}{|x|}<x?\) (1)...
0
Last post by VJesus12
Sun Dec 27, 2020 7:38 am
An increasing sequence consists of \(4\) negative integers and 6 positive integers. Is the sum of the sequence positive?
by VJesus12 »
An increasing sequence consists of \(4\) negative integers and \(6\)...
0
Last post by VJesus12
Sun Dec 27, 2020 7:30 am
\(P\) and \(Q\) are prime numbers less than \(70\).
by VJesus12 »
\(P\) and \(Q\) are prime numbers less than \(70\). What is the units...
0
Last post by VJesus12
Sun Dec 27, 2020 7:25 am
What is the least value of the positive integer \(n?\)
by Gmat_mission »
What is the least value of the positive integer \(n?\) I. The unit...
1
Last post by deloitte247
Sun Dec 27, 2020 1:07 am
If the average (arithmetic mean) of three positive integers is 35, how many of the numbers are greater than 10 ?
by BTGmoderatorDC »
If the average (arithmetic mean) of three positive integers is 35,...
2
Last post by deloitte247
Sun Dec 27, 2020 12:00 am
A painter wishes to paint a house turquoise. To make the color, he selects an eggshell primer made up of 70% pure-white
by BTGmoderatorDC »
A painter wishes to paint a house turquoise. To make the color, he...
0
Last post by BTGmoderatorDC
Sat Dec 26, 2020 11:20 pm
Que: What is the value of x?
by Max@Math Revolution »
Que: What is the value of x? 1. \(2\left(x\ +\ y\right)\ =\ x\ +\...
1
Last post by Max@Math Revolution
Sat Dec 26, 2020 10:53 pm
If \(a\) and \(b\) are non-zero distinct integers, what is the value of \(a + b?\)
by VJesus12 »
If \(a\) and \(b\) are non-zero distinct integers, what is the value...
0
Last post by VJesus12
Sat Dec 26, 2020 3:54 pm
If \(m\) is a positive integer, is \(\sqrt{m}\) a prime number?
by VJesus12 »
If \(m\) is a positive integer, is \(\sqrt{m}\) a prime number? I....
0
Last post by VJesus12
Sat Dec 26, 2020 3:51 pm
If \(x\) is a non-zero number, is \(x<|x|^x?\)
by VJesus12 »
If \(x\) is a non-zero number, is \(x<|x|^x?\) (1) \(x < 1\)...
0
Last post by VJesus12
Sat Dec 26, 2020 3:47 pm
In sequence of \(9\) distinct numbers \(\{a_1, a_2, \ldots, a_9\},\) the \(nth\) term is given by \(a_n = a_{n-1} + b,\)
by VJesus12 »
In sequence of \(9\) distinct numbers \(\{a_1, a_2, \ldots, a_9\},\)...
0
Last post by VJesus12
Sat Dec 26, 2020 3:43 pm
Is \(x\) an integer?
by VJesus12 »
Is \(x\) an integer? (1) A triangle whose sides are of length \(x -...
0
Last post by VJesus12
Sat Dec 26, 2020 3:37 pm
If \(a\) and \(b\) are non-zero integers, is \(a^b <1?\)
by VJesus12 »
If \(a\) and \(b\) are non-zero integers, is \(a^b <1?\) (1) \(a...
0
Last post by VJesus12
Sat Dec 26, 2020 3:34 pm
A bigger circle (with center \(A\)) and a smaller circle (with center \(B\)) are touching each other externally. \(PT\)
by VJesus12 »
Screen-Shot-2016-11-22-at-1.40.18-PM-e1479817510803.png A bigger...
0
Last post by VJesus12
Sat Dec 26, 2020 3:19 pm
The Prime Sum of an integer \(X\) greater than \(1\) is the sum of all prime factors of \(X\) including repetitions.
by Vincen »
The Prime Sum of an integer \(X\) greater than \(1\) is the sum of...
0
Last post by Vincen
Sat Dec 26, 2020 3:10 pm
If \(x\) and \(y\) are distinct positive integers and \(x + y\) is even, what is the remainder when \((x + y)^a\) is
by Vincen »
If \(x\) and \(y\) are distinct positive integers and \(x + y\) is...
0
Last post by Vincen
Sat Dec 26, 2020 3:04 pm
If \(t\) is a positive integer, can \((t+2)(t-3)\) be completely divided by \(6?\)
by Vincen »
If \(t\) is a positive integer, can \((t+2)(t-3)\) be completely...
0
Last post by Vincen
Sat Dec 26, 2020 2:53 pm
The average of two numbers is 108. What is the value of the greater number?
by AAPL »
Princeton Review The average of two numbers is 108. What is the...
0
Last post by AAPL
Sat Dec 26, 2020 2:48 pm
If \(x \ne 0,\) then what is the value of \(\dfrac{|x|}{x}?\)
by Vincen »
If \(x \ne 0,\) then what is the value of \(\dfrac{|x|}{x}?\) (1)...
0
Last post by Vincen
Sat Dec 26, 2020 2:48 pm
Machines \(X\) and \(Y\) can work at their respective constant rates to manufacture a certain production unit. If both
by Vincen »
Machines \(X\) and \(Y\) can work at their respective constant rates...
0
Last post by Vincen
Sat Dec 26, 2020 2:41 pm
Luxo paint contains only alcohol and pigment. What is the ratio of alcohol to pigment in Luxo paint?
by AAPL »
Princeton Review Luxo paint contains only alcohol and pigment. What...
0
Last post by AAPL
Sat Dec 26, 2020 2:38 pm
A set consists of 10 positive integers. What is the standard deviation of the set?
by Vincen »
A set consists of 10 positive integers. What is the standard...
0
Last post by Vincen
Sat Dec 26, 2020 2:32 pm
What is the remainder when the positive three-digit number \(xyz\) is divided by \(9?\)
by Vincen »
What is the remainder when the positive three-digit number \(xyz\) is...
0
Last post by Vincen
Sat Dec 26, 2020 2:28 pm
If \(X\) is an integer, does \(7^X+9^{X+3}\) end with a \(0?\)
by Vincen »
If \(X\) is an integer, does \(7^X+9^{X+3}\) end with a \(0?\) 1)...
0
Last post by Vincen
Sat Dec 26, 2020 2:21 pm
For any integers \(x\) and \(y,\) \(\text{min}(x, y)\) and \(\text{max}(x, y)\) denote the minimum and the maximum of
by Vincen »
For any integers \(x\) and \(y,\) \(\text{min}(x, y)\) and...
0
Last post by Vincen
Sat Dec 26, 2020 2:15 pm
The cost to ship a series of identical packages through Alpha Shipper Company is $40 for the first 10 packages and $6
by Vincen »
The cost to ship a series of identical packages through Alpha Shipper...
0
Last post by Vincen
Sat Dec 26, 2020 2:05 pm
There are 8 red tegu lizards in the reptile house at a local zoo. If the average length of the red tegu lizards is 10
by BTGmoderatorDC »
There are 8 red tegu lizards in the reptile house at a local zoo. If...
0
Last post by BTGmoderatorDC
Fri Dec 25, 2020 6:34 pm
Que: Is xy < 10?
by Max@Math Revolution »
Que: Is xy < 10? (1) x < 5 and y < 2 (2) x < -3 and y...
1
Last post by Max@Math Revolution
Thu Dec 24, 2020 11:41 pm
Points (a, b) and (c, d) lie on line L in the coordinate plane. Does point (3, 3) also lie on line L?
by BTGmoderatorDC »
Points (a, b) and (c, d) lie on line L in the coordinate plane. Does...
0
Last post by BTGmoderatorDC
Thu Dec 24, 2020 9:57 pm
A certain aquarium holds three types of fish: angelfish, swordtails and guppies. What is the ratio of the number of
by BTGmoderatorDC »
A certain aquarium holds three types of fish: angelfish, swordtails...
1
Last post by swerve
Thu Dec 24, 2020 10:17 am
What is the remainder when integer n is divided by 10?
by AAPL »
Princeton Review What is the remainder when integer n is divided by...
0
Last post by AAPL
Thu Dec 24, 2020 7:46 am
A father distributed his total wealth to his two sons. How much wealth did the father have?
by BTGmoderatorLU »
Source: Princeton Review A father distributed his total wealth to...
1
Last post by deloitte247
Wed Dec 23, 2020 5:02 am
The retail price of a certain refrigerator is 1.6 times its wholesale price. What is the difference between the retail
by BTGmoderatorDC »
The retail price of a certain refrigerator is 1.6 times its wholesale...
1
Last post by deloitte247
Wed Dec 23, 2020 4:06 am
In the figure above, segment BD has length 6. What is the length of segment AC?
by BTGmoderatorDC »
Capture.PNG In the figure above, segment BD has length 6. What is...
0
Last post by BTGmoderatorDC
Tue Dec 22, 2020 4:46 pm
A certain store sells only records and CD's. All CD's cost $7.82, including tax, and all records cost $4.18, including t
by BTGModeratorVI »
A certain store sells only records and CD's. All CD's cost $7.82,...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Tue Dec 22, 2020 6:10 am
A building has 48 one- and two-bedroom apartments to rent, some with balconies and others without. If one of these apart
by BTGmoderatorDC »
A building has 48 one- and two-bedroom apartments to rent, some with...
0
Last post by BTGmoderatorDC
Mon Dec 21, 2020 4:20 pm
Lou recently painted his guest bedroom pale blue. the mixture of paint he used contained 2/3 gallon of...
by AAPL »
GMAT Prep Lou recently painted his guest bedroom pale blue. the...
1
Last post by swerve
Mon Dec 21, 2020 11:05 am
Last school year, each of the 200 students at a certain high school attended the school for the entire year. If there we
by BTGModeratorVI »
Last school year, each of the 200 students at a certain high school...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Dec 21, 2020 6:03 am
Machines \(X\) and \(Y\) can work at their respective constant rates to manufacture a certain production unit. If both
by VJesus12 »
Machines \(X\) and \(Y\) can work at their respective constant rates...
1
Last post by deloitte247
Sun Dec 20, 2020 10:32 am
A certain plumber charges $92 for each job completed in 4 hours or
by BTGModeratorVI »
A certain plumber charges $92 for each job completed in 4 hours or...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Dec 20, 2020 6:48 am
A factory has three types of machines – A, B, and C – each of
by BTGModeratorVI »
A factory has three types of machines - A, B, and C - each of which...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Dec 20, 2020 6:47 am
Que: If x and y are positive integers, is xy a multiple of 18?
by Max@Math Revolution »
Que: If x and y are positive integers, is xy a multiple of 18? (1) x...
1
Last post by Max@Math Revolution
Sun Dec 20, 2020 6:28 am
150 representatives of an organization participated in a survey. 50% of all the representatives considered global warmin
by M7MBA »
150 representatives of an organization participated in a survey. 50%...
1
Last post by deloitte247
Sun Dec 20, 2020 1:38 am
Julio covers the first \(r\) miles of his journey at \(x\) miles per hour and the last \(s\) miles of his journey at
by Gmat_mission »
Julio covers the first \(r\) miles of his journey at \(x\) miles per...
1
Last post by deloitte247
Sun Dec 20, 2020 12:11 am
If z is a multiple of 9 and w is a multiple of 4, is zw a multiple of 126?
by BTGmoderatorDC »
If z is a multiple of 9 and w is a multiple of 4, is zw a multiple of...
0
Last post by BTGmoderatorDC
Sat Dec 19, 2020 7:06 pm
Stations X and Y are connected by two separate. . . .
by Vincen »
Stations X and Y are connected by two separate, straight, parallel...
3
EXPERT REPLIES
Last post by Scott@TargetTestPrep
Sat Dec 19, 2020 5:06 pm