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

Redeem

Data Sufficiency

New Topic
Advanced search
Topics
POSTS
Last post
If xy < zy < 0, is y positive?
by BTGModeratorVI »
If xy < zy < 0, is y positive? (1) x < z (2) x is negative...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Aug 20, 2020 7:57 am
Is x-y+1 greater than x+y-1 ?
by BTGModeratorVI »
Is x-y+1 greater than x+y-1 ? (1) x > 0 (2) y < 0 Answer: B...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Aug 20, 2020 7:56 am
John is paid x dollars per hour for the first 8 hours that he works in a given day, 1.5x dollars per hour for the next
by BTGmoderatorDC »
John is paid x dollars per hour for the first 8 hours that he works...
0
Last post by BTGmoderatorDC
Wed Aug 19, 2020 5:00 pm
Geometry
by swerve »
A set of Manhattan Review practice questions for all sections of the...
0
Last post by swerve
Wed Aug 19, 2020 12:43 pm
Word Problems
by swerve »
A yacht club conducts a training race every Friday and Sunday during...
0
Last post by swerve
Wed Aug 19, 2020 12:23 pm
If in a six-digit integer \(N,\) \(F(k)\) is the value of the \(k\)-th digit, is \(N\) divisible by \(7?\) (For example,
by VJesus12 »
If in a six-digit integer \(N,\) \(F(k)\) is the value of the...
0
Last post by VJesus12
Wed Aug 19, 2020 6:56 am
If \(x^3 - x = n\) and \(x\) is a positive integer greater than 1, is \(n\) divisible by 8?
by VJesus12 »
If \(x^3 - x = n\) and \(x\) is a positive integer greater than 1, is...
0
Last post by VJesus12
Wed Aug 19, 2020 6:43 am
If \(a < 0,\) is \(b < 0 ?\)
by VJesus12 »
If \(a < 0,\) is \(b < 0 ?\) (1) \(\dfrac{b}{a} > 0\) (2)...
0
Last post by VJesus12
Wed Aug 19, 2020 6:41 am
What is the value of integer \(x?\)
by VJesus12 »
What is the value of integer \(x?\) 1. The LCM of \(x\) and 45 is...
0
Last post by VJesus12
Wed Aug 19, 2020 6:16 am
Peter, Paul, and Mary each received a passing score on his/her history midterm. The average (arithmetic mean) of the
by BTGmoderatorDC »
Peter, Paul, and Mary each received a passing score on his/her...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Aug 19, 2020 4:57 am
What are the roots of the quadratic equation \(x^2 + bx + c = 0\) if the roots are distinct and at equal distance from
by VJesus12 »
What are the roots of the quadratic equation \(x^2 + bx + c = 0\) if...
1
Last post by swerve
Tue Aug 18, 2020 12:48 pm
If \(x\) is an integer, is \(3^x\) less than \(500?\)
by VJesus12 »
If \(x\) is an integer, is \(3^x\) less than \(500?\) (1) \(4^{x-1}...
0
Last post by VJesus12
Tue Aug 18, 2020 8:30 am
A house has \(x\) cakes and \(y\) people, with \(x\geq 2\) and \(y\geq 1.\) How many values of \(y\) are there, such tha
by VJesus12 »
A house has \(x\) cakes and \(y\) people, with \(x\geq 2\) and...
0
Last post by VJesus12
Tue Aug 18, 2020 8:27 am
Is \(A\) positive?
by VJesus12 »
Is \(A\) positive? (1) \(x^2 - 2x + A\) is positive for all \(x.\)...
0
Last post by VJesus12
Tue Aug 18, 2020 8:22 am
Of the total number of copies of Magazine \(X\) sold last week, \(40\) percent were sold at full price. What was the
by Vincen »
Of the total number of copies of Magazine \(X\) sold last week,...
0
Last post by Vincen
Tue Aug 18, 2020 8:18 am
Is the product of integers \(M\) and \(N\) even?
by Vincen »
Is the product of integers \(M\) and \(N\) even? (1) \(N\) can be...
0
Last post by Vincen
Tue Aug 18, 2020 8:08 am
If \(n\) and \(t\) are positive integers, what is the greatest prime factor of \(nt?\)
by Vincen »
If \(n\) and \(t\) are positive integers, what is the greatest prime...
0
Last post by Vincen
Tue Aug 18, 2020 8:05 am
If each of the two digits \(X\) and \(Y\) is distinct, is the two-digit integer \(XY\) prime?
by Vincen »
If each of the two digits \(X\) and \(Y\) is distinct, is the...
0
Last post by Vincen
Tue Aug 18, 2020 8:00 am
Is the point \(Q\) on the circle with center \(C ?\)
by Vincen »
Is the point \(Q\) on the circle with center \(C ?\) (1) \(R\) is a...
0
Last post by Vincen
Tue Aug 18, 2020 7:54 am
In the decimal representation of \(x,\) where \(0 < x < 1,\) is the tenths digit of \(x\) nonzero?
by Vincen »
In the decimal representation of \(x,\) where \(0 < x < 1,\) is...
0
Last post by Vincen
Tue Aug 18, 2020 7:50 am
Judith and Quincy started with the same amount of money to invest at the beginning of 2012. Judith's investments increas
by Vincen »
Judith and Quincy started with the same amount of money to invest at...
0
Last post by Vincen
Tue Aug 18, 2020 7:45 am
If \(x\) is an integer, is \(x^2 > 25?\)
by Vincen »
If \(x\) is an integer, is \(x^2 > 25?\) (1) \(|x - 3| > 5.\)...
0
Last post by Vincen
Tue Aug 18, 2020 7:40 am
The length of the edging that surrounds circular garden \(K\) is \(\dfrac12\) the length of the edging that surrounds
by Vincen »
The length of the edging that surrounds circular garden \(K\) is...
0
Last post by Vincen
Tue Aug 18, 2020 7:37 am
The average of 6 numbers is 8. One new number is now added to the set of 6 numbers and the arithmetic mean of the
by Vincen »
The average of 6 numbers is 8. One new number is now added to the set...
0
Last post by Vincen
Tue Aug 18, 2020 7:26 am
If \(a\) and \(b\) are two integers such that \(a\) is even, \(b\) is odd and neither of them leaves a remainder of
by Vincen »
If \(a\) and \(b\) are two integers such that \(a\) is even, \(b\) is...
0
Last post by Vincen
Tue Aug 18, 2020 7:20 am
Robots X, Y, and Z each assemble components at their respective constant rates. If \(r_x\) is the ratio of...
by AAPL »
GMAT Prep Robots X, Y, and Z each assemble components at their...
0
Last post by AAPL
Tue Aug 18, 2020 5:42 am
A manufacturer conducted a survey to determine how many people buy products
by BTGModeratorVI »
A manufacturer conducted a survey to determine how many people buy...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Tue Aug 18, 2020 5:40 am
Today, Samson’s Train traveled at a constant rate along a straight North-South route that included the famous 10-mile
by BTGmoderatorDC »
Today, Samson’s Train traveled at a constant rate along a straight...
1
Last post by GMATGuruNY
Tue Aug 18, 2020 2:48 am
A store sold 6 bicycles with an average sale price of $1,000. What was the price of the most expensive bicycle?
by BTGmoderatorLU »
Source: Veritas Prep A store sold 6 bicycles with an average sale...
0
Last post by BTGmoderatorLU
Mon Aug 17, 2020 1:20 pm
If x, y, and z are negative numbers such that z = 40x + 80y and x + y = -1, is z < -60?
by BTGmoderatorLU »
Source: Veritas Prep If x, y, and z are negative numbers such that z...
0
Last post by BTGmoderatorLU
Mon Aug 17, 2020 1:06 pm
Jill has applied for a job with each of two different companies. What is the probability that she will get job offers fr
by BTGModeratorVI »
Jill has applied for a job with each of two different companies. What...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Aug 17, 2020 5:12 am
Distance/Rate Problems
by swerve »
Today, Samson’s Train traveled at a constant rate along a straight...
0
Last post by swerve
Mon Aug 17, 2020 4:56 am
Geometry
by swerve »
The side of an equilateral triangle has the same length as the...
0
Last post by swerve
Mon Aug 17, 2020 4:52 am
Word Problems
by swerve »
Is hector taller than Charley? 1) Hector is 5 feet 7 inches tall 2)...
0
Last post by swerve
Mon Aug 17, 2020 4:46 am
At a certain sales agency, each salesperson receives a monthly base salary of $2000, plus commission equal to 10% of
by BTGmoderatorDC »
At a certain sales agency, each salesperson receives a monthly base...
0
Last post by BTGmoderatorDC
Sun Aug 16, 2020 9:49 pm
Each piglet in a litter is fed exactly one-half pound of a mixture of oats and barley. The ratio of the amount of...
by AAPL »
GMAT Prep Each piglet in a litter is fed exactly one-half pound of a...
2
Last post by deloitte247
Sun Aug 16, 2020 1:21 pm
x and y are positive integers. If the greatest common divisor of 3x and 3y is 6, what is the value of y?
by BTGModeratorVI »
x and y are positive integers. If the greatest common divisor of 3x...
3
EXPERT REPLIES
Last post by GMATGuruNY
Sun Aug 16, 2020 11:36 am
If K is a positive integer less than 10 and N = 4,321 + K, what is the value of K?
by BTGModeratorVI »
If K is a positive integer less than 10 and N = 4,321 + K, what is...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Aug 16, 2020 5:30 am
(Geometry) What is the value of angle x + angle y?
by Max@Math Revolution »
(Geometry) What is the value of angle x + angle y? 1) angle BAC =...
1
Last post by Max@Math Revolution
Sun Aug 16, 2020 12:47 am
In the xy-plane above, is angle BAC greater than 90 degrees?
by BTGmoderatorDC »
234.png In the xy-plane above, is angle BAC greater than 90 degrees?...
0
Last post by BTGmoderatorDC
Sat Aug 15, 2020 6:30 pm
How many integers are there between, but not including, integers r and s ?
by BTGModeratorVI »
How many integers are there between, but not including, integers r...
2
EXPERT REPLIES
Last post by swerve
Sat Aug 15, 2020 12:32 pm
When 1,000 children were inoculated with a certain vaccine, some developed inflammation
by BTGModeratorVI »
When 1,000 children were inoculated with a certain vaccine, some...
3
EXPERT REPLIES
Last post by swerve
Sat Aug 15, 2020 12:23 pm
If Sara's age is exactly twice Bill's age, what is Sara's age?
by BTGModeratorVI »
If Sara's age is exactly twice Bill's age, what is Sara's age? (1)...
4
EXPERT REPLIES
Last post by aaditya005
Sat Aug 15, 2020 11:03 am
The figure shows triangle ABC and points D, E, and F, which are on line AB, BC, and CA, respectively.
by Max@Math Revolution »
The figure shows triangle ABC and points D, E, and F, which are on...
1
Last post by Max@Math Revolution
Fri Aug 14, 2020 11:29 pm
A fish tank contains a number of fish, including 5 Fantails. If two fish are selected from the tank at random, what is
by BTGmoderatorDC »
A fish tank contains a number of fish, including 5 Fantails. If two...
0
Last post by BTGmoderatorDC
Fri Aug 14, 2020 5:53 pm
At a certain company, 40% of the women are over 50 years old and 50% of the men are over 50 years old...
by BTGmoderatorLU »
Source: Veritas Prep At a certain company, 40% of the women are over...
1
Last post by GMATGuruNY
Fri Aug 14, 2020 9:40 am
For the students in class A, the range of their heights is r centimeters and the greatest height is g centimeters...
by AAPL »
GMAT Prep For the students in class A, the range of their heights is...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Aug 14, 2020 6:44 am
Number Properties
by Max@Math Revolution »
(Number Properties) p, q, and r are positive integers. What is the...
1
Last post by Max@Math Revolution
Fri Aug 14, 2020 12:36 am
Robin and Barney, the guitarist and bassist, respectively, of a popular band, signed autographs after a concert, as did
by BTGmoderatorDC »
Robin and Barney, the guitarist and bassist, respectively, of a...
0
Last post by BTGmoderatorDC
Thu Aug 13, 2020 6:50 pm
In the diagram above, line JX is parallel to line KY. If the area of triangle KYZ is 18 square feet...
by BTGmoderatorLU »
Source: Veritas Prep TriangleJXZ.png (NOTE: Not drawn to scale) In...
0
Last post by BTGmoderatorLU
Thu Aug 13, 2020 4:49 pm