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## Data Sufficiency

Topics Posts Last Post

### Sticky:WANT BeatTheGMAT TO PAY FOR YOUR GMAT?

by:
BeatTheGMAT.com is excited to announce a series of free contests for...

0 Wed Sep 20, 2017 9:25 am

by: beatthegmat

### Sticky:OFFICIAL GUIDE QUESTION LIBRARY

by:
Join the discussion as you work through your Official Guide and gain...

0 Wed Sep 20, 2017 9:23 am

by: beatthegmat

### When f(x)=ax^2+bx+c (a≠0), is x+1 a factor of f(x)?

by:
When f(x)=ax^2+bx+c (a≠0), is x+1 a factor of f(x)? 1) f(1)=0 2)...

0 Wed Sep 26, 2018 3:52 am

### For an integer n greater than 1, the set S[size=7]n[/size]={

by:
For an integer n greater than 1, the set S n ={ kn | k is an integer...

2 Wed Sep 26, 2018 3:50 am

### 4 raffle ‘winners’ were each given the opportunity to se

by:
4 raffle ‘winners’ were each given the opportunity to select one...

0 Wed Sep 26, 2018 2:33 am

### A number of people each wrote down one of the first 30 posit

by:
A number of people each wrote down one of the first 30 positive...

0 Wed Sep 26, 2018 2:19 am

### Is x>x/y?

by:
Is x>x/y? 1) y>1 2) xy>0

2 Tue Sep 25, 2018 9:25 pm

### Point (P, Q) is in the coordinate plane. Is P > Q? (1) P

by:
Point (P, Q) is in the coordinate plane. Is P > Q? (1) P is...

1 Tue Sep 25, 2018 9:08 pm

### In the xy-plane, if line k has negative slope, is the

by:
In the xy-plane, if line k has negative slope, is the y-intercept of...

3 Tue Sep 25, 2018 3:55 pm

### Robin split a total of $24,000 between 2 investments, X and by: Robin split a total of$24,000 between 2 investments, X and Y. If...

3 Tue Sep 25, 2018 3:10 am

by: GMATGuruNY

### If z is a multiple of 9 and w is a multiple of 4, is zw a

by:
If z is a multiple of 9 and w is a multiple of 4, is zw a multiple of...

2 Mon Sep 24, 2018 9:18 pm

### If x, y, z are integers, is xyz a multiple of 6?

by:
If x, y, z are integers, is xyz a multiple of 6? 1) x+y+z is a...

3 Mon Sep 24, 2018 4:07 am

### What is the perimeter of a rectangle?

by:
What is the perimeter of a rectangle? 1) The square of the diagonal...

3 Mon Sep 24, 2018 4:06 am

### If x^y = 1 then what is the

by:
If x^y = 1, then what is the value of x? (1) x < 0 (2) y is even...

2 Sun Sep 23, 2018 2:07 pm

### For any integer n greater than 1, factorial denotes the

by:
For any integer n greater than 1, factorial denotes the product of...

1 Sun Sep 23, 2018 9:30 am

by: deloitte247

### GPREP DS -1

by:
Machine M, working alone at its constant rate, produces x widgets...

4 Sun Sep 23, 2018 7:58 am

by: fskilnik

### Is 10m > 5n - k?

by:
Is 10m > 5n - k? (1) n = 2m (2) |k| = -k OA C Source: Veritas Prep

2 Sun Sep 23, 2018 7:13 am

by: fskilnik

### If a and b are positive integers, is a/b = 5/8 ?

by:
If a and b are positive integers, is a/b = 5/8 ? (1) 1/2 < a/b...

2 Sat Sep 22, 2018 2:33 pm

by: fskilnik

### In an office that employs 120 people, m% of the employees

by:
In an office that employs 120 people, m% of the employees are male,...

3 Sat Sep 22, 2018 6:00 am

### In each of five taste tests, each of 51 participants chose

by:
In each of five taste tests, each of 51 participants chose either...

2 Fri Sep 21, 2018 11:44 pm

### If xy ≠ 0, what is the value of x?

by:
If xy ≠ 0, what is the value of x? (1) yx^2 + 4xy + 4y = 0 (2) y =...

2 Fri Sep 21, 2018 11:26 pm

### If n is an integer, is n(n+2) divisible by 8?

by:
If n is an integer, is n(n+2) divisible by 8? 1) n is an even number....

3 Fri Sep 21, 2018 12:15 am

### clarification on GMAT 2016 DS problem

by:
A taxi company charges 'f' cents for the first mile of the taxi ride...

4 Thu Sep 20, 2018 7:01 pm

### Challenge question: If ∆ABC is an isosceles triangle

by:
If ∆ABC is an isosceles triangle, what is the perimeter of ∆ABC?...

3 Thu Sep 20, 2018 12:33 pm

### The price per share of stock X increased by 10 percent over

by:
The price per share of stock X increased by 10 percent over the same...

3 Thu Sep 20, 2018 10:59 am

by: fskilnik

### In four years, Andy will be twice as old as Betsy. How old

by:
In four years, Andy will be twice as old as Betsy. How old is Betsy?...

3 Thu Sep 20, 2018 6:25 am

by: GMATGuruNY

### a and b are positive numbers. What is the value of (a-b)/(a+

by:
a and b are positive numbers. What is the value of (a-b)/(a+b)? 1)...

2 Thu Sep 20, 2018 12:50 am

### Michael arranged all his books in a bookcase with 10 books

by:
Michael arranged all his books in a bookcase with 10 books on each...

1 Wed Sep 19, 2018 9:07 pm

### Rasheed bought two kinds of candy bars, chocolate and toffee

by:
Rasheed bought two kinds of candy bars, chocolate and toffee, that...

2 Wed Sep 19, 2018 2:54 am

by: GMATGuruNY

### 2^p/2^q=?

by:
2^p/2^q=? 1) p = q + 2 2) pq=8

2 Wed Sep 19, 2018 12:48 am

### A certain business school has a student body of 2,000 studen

by:
A certain business school has a student body of 2,000 students, 45%...

3 Tue Sep 18, 2018 3:45 pm

by: swerve

### OG2016 - Q69

by:
Guy's net income equals his gross income minus his deductions. By...

5 Mon Sep 17, 2018 5:41 pm

### If x is an integer, is ....

by:
If x is an integer is 9^ x + 9^-x =b? 1- 3^x + 3^-x = sqrt(b+2) 2-...

11 Mon Sep 17, 2018 5:39 pm

### If x and y are positive, is x < 10 < y ?

by:
If x and y are positive, is x < 10 < y ? (1) x < y and xy =...

2 Mon Sep 17, 2018 5:38 pm

### Beth's pizzeria offers x different toppings. What is the

by:
Beth's pizzeria offers x different toppings. What is the value of x?...

2 Mon Sep 17, 2018 1:13 pm

by: fskilnik

### What is the value of the 2-digit positive integer n if its

by:
What is the value of the 2-digit positive integer n if its tens digit...

3 Mon Sep 17, 2018 8:56 am

by: fskilnik

### What is the perimeter of isosceles triangle LMN? 1) Side LM

by:
What is the perimeter of isosceles triangle LMN? 1) Side LM has a...

3 Mon Sep 17, 2018 6:02 am

### If n is an integer, is (n+1)^2 an even integer?

by:
If n is an integer, is (n+1)^2 an even integer? 1) n-1 is an even...

4 Mon Sep 17, 2018 1:12 am

by: Ferguson259

### Is x < 0?

by:
Is x < 0? 1) |x|=-x 2) |x|>x

3 Sun Sep 16, 2018 5:25 pm

### For each customer, a bakery charges p dollars for the first

by:
Source: GMAT Prep For each customer, a bakery charges p dollars for...

2 Sun Sep 16, 2018 11:40 am

by: fskilnik

### A rectangle is defined to be "silver" if and only

by:
A rectangle is defined to be "silver" if and only if the...

2 Sun Sep 16, 2018 11:08 am

by: fskilnik

### If A and C are points in a plane, C is the center of circle

by:
If A and C are points in a plane, C is the center of circle O, and...

2 Sun Sep 16, 2018 10:18 am

by: fskilnik

### At what speed was Erik running when he was at the halfway

by:
Source: Veritas Prep At what speed was Erik running when he was at...

2 Sat Sep 15, 2018 6:03 am

### What is the perimeter of a certain right triangle?

by:
What is the perimeter of a certain right triangle? (1) The...

2 Fri Sep 14, 2018 2:25 pm

by: fskilnik

### On the number line, point R has coordinate r and point T has

by:
On the number line, point R has coordinate r and point T has...

2 Fri Sep 14, 2018 1:25 pm

by: fskilnik

### A zebra must get water from either a stream or pond. Which

by:
Source: Princeton Review A zebra must get water from either a stream...

3 Fri Sep 14, 2018 10:51 am

### x=?

by:
x=? 1) x^3+x^2+x=0 2) x=-2x

3 Thu Sep 13, 2018 11:32 pm

### Any decimal that has only a finite number of nonzero digits

by:
Any decimal that has only a finite number of nonzero digits is a...

6 Thu Sep 13, 2018 11:39 am

by: fskilnik

### Two line l and k intersect at a point (4, 3). Is the product

by:
Two line l and k intersect at a point (4, 3). Is the product of their...

1 Thu Sep 13, 2018 11:22 am

by: fskilnik

### A bigger circle (with center A) and a smaller circle

by:
Source: e-GMAT A bigger circle (with center A) and a smaller (circle...

2 Thu Sep 13, 2018 7:44 am

by: fskilnik

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