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 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
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
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
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
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
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
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
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
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
Is xy > 16?
by BTGModeratorVI »
Is xy > 16? (1) 1 < |x| < 4 (2) y > 16 Answer: E Source:...
1
Last post by Brent@GMATPrepNow
Thu Aug 13, 2020 1:02 pm
Is x + y > 6?
by BTGModeratorVI »
Is x + y > 6? (1) x + 2y > 8 (2) 2x + y > 8 Answer: E...
1
Last post by Brent@GMATPrepNow
Thu Aug 13, 2020 1:01 pm
How much revenue did a concert venue receive from the sale of 1500 tickets, some of which were sold at a discounted
by BTGmoderatorDC »
How much revenue did a concert venue receive from the sale of 1500...
1
Last post by GMATGuruNY
Thu Aug 13, 2020 1:01 pm
(Function) f(x) is a function, mapping positive integers to positive integers. What is the value of f(2) + f(3) + f(5)?
by Max@Math Revolution »
(Function) f(x) is a function, mapping positive integers to positive...
1
Last post by Max@Math Revolution
Wed Aug 12, 2020 11:57 pm
By how many dollars was the price of a certain portable tape recorder reduced during a sale?
by BTGmoderatorDC »
By how many dollars was the price of a certain portable tape recorder...
0
Last post by BTGmoderatorDC
Wed Aug 12, 2020 6:06 pm
If x is a positive integer, how many positive integers less
by BTGmoderatorDC »
If x is a positive integer, how many positive integers less than x...
2
Last post by Scott@TargetTestPrep
Wed Aug 12, 2020 1:29 pm
Word Problems
by swerve »
Of the first three dozen cookies baked at a bake shop on a certain...
1
Last post by Brent@GMATPrepNow
Wed Aug 12, 2020 1:29 pm
Number Properties
by swerve »
Is \(q\) an integer? 1) \(3q\) is an integer 2) \(5q\) is an integer...
0
Last post by swerve
Wed Aug 12, 2020 10:19 am
If pipe B fills a container at a constant rate in 100 minutes, how many minutes does it take pipe A, working...
by AAPL »
Economist GMAT If pipe B fills a container at a constant rate in 100...
1
Last post by Chan96
Wed Aug 12, 2020 9:56 am
At an entrance examination, the ratio of successful male applicants to successful fema
by Max@Math Revolution »
At an entrance examination, the ratio of successful male applicants...
1
Last post by Max@Math Revolution
Wed Aug 12, 2020 12:16 am
Is quadrilateral MNPQ a rectangle?
by BTGmoderatorDC »
Is quadrilateral MNPQ a rectangle? (1) At least two of the four...
0
Last post by BTGmoderatorDC
Tue Aug 11, 2020 6:52 pm
If $5,000 invested for one year at p percent simple annual interest yields $500, what amount must be invested at k perce
by BTGModeratorVI »
If $5,000 invested for one year at p percent simple annual interest...
1
Last post by Brent@GMATPrepNow
Tue Aug 11, 2020 6:04 am
What is the retail price of a certain calculator?
by BTGModeratorVI »
What is the retail price of a certain calculator? (1) The retail...
1
Last post by Brent@GMATPrepNow
Tue Aug 11, 2020 6:03 am
Every night, Jon and his brothers randomly determine the schedule in which they will get to use the shower in the
by BTGmoderatorDC »
Every night, Jon and his brothers randomly determine the schedule in...
0
Last post by BTGmoderatorDC
Mon Aug 10, 2020 5:41 pm
What is the standard deviation of set X, which contains consecutive odd integers?
by AAPL »
Economist GMAT What is the standard deviation of set X, which...
0
Last post by AAPL
Mon Aug 10, 2020 6:45 am
Statistics.
by jtwhite14 »
A certain bookcase has 2 shelves of books. On the upper shelf, the...
3
Last post by Scott@TargetTestPrep
Mon Aug 10, 2020 6:26 am
If the triangle above has side lengths w, x and y, what is the area of triangle ABC?
by Brent@GMATPrepNow »
If the triangle above has side lengths w, x and y, what is the area...
0
Last post by Brent@GMATPrepNow
Mon Aug 10, 2020 5:06 am
Is 8^x > 4^y?
by BTGModeratorVI »
Is 8^x > 4^y? 1) x > y 2) 3x > 2y Answer: B Source: Math...
1
Last post by Brent@GMATPrepNow
Mon Aug 10, 2020 4:49 am
If a certain vase contains only roses and tulips, how many tulips are there in the vase?
by BTGModeratorVI »
If a certain vase contains only roses and tulips, how many tulips are...
2
Last post by Brent@GMATPrepNow
Mon Aug 10, 2020 4:48 am
In triangle OAB the point O is the origin, coordinate geometry
by GMATinsight »
In triangle OAB the point O is the origin, B is on X-axis, point A is...
1
Last post by GMATinsight
Mon Aug 10, 2020 4:19 am
Two lines PA and PB are tangent lines to the circle. What is the measure of
by Max@Math Revolution »
Two lines PA and PB are tangent lines to the circle. What is the...
1
Last post by Max@Math Revolution
Sun Aug 09, 2020 11:02 pm
What is the value of x + y?
by Max@Math Revolution »
What is the value of x + y? 1) x and y are positive integers. 2)...
1
Last post by Max@Math Revolution
Sun Aug 09, 2020 10:59 pm
A caterer normally charges $15 per person plus a $10 delivery fee for 'in-advance' orders but charges $20 per person
by BTGmoderatorDC »
A caterer normally charges $15 per person plus a $10 delivery fee for...
0
Last post by BTGmoderatorDC
Sun Aug 09, 2020 5:13 pm