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Data Sufficiency

Topics Posts Last Post

Fraction Question

by:
Is (a/b)>(3/5)? 1) (a+1/b)>(3/5) 2) (a/b+1)>(3/5) Answer: B

5 EXPERT REPLIES Thu Aug 01, 2013 5:50 pm

by: Rich.C@EMPOWERgmat.com View latest post

Solution given in OG is complicated

by:
Th s

4 EXPERT REPLIES Thu Aug 01, 2013 5:25 pm

by: topspin20 View latest post

If n is a positive integer, is n^2 - 1 divisible by 24?

by:
If n is a positive integer, is n^2 - 1 divisible by 24? (1) n is a...

6 EXPERT REPLIES Thu Aug 01, 2013 4:36 pm

by: Matt@VeritasPrep View latest post

Scheduling problem:

by:
Q.1)How many days after the purchase of Product X does its standard...

7 EXPERT REPLIES Thu Aug 01, 2013 9:47 am

by: Matt@VeritasPrep View latest post

help me with this question

by:
How many disciples does Tiffany have? (1) there are between 200 and...

3 EXPERT REPLIES Wed Jul 31, 2013 3:57 pm

by: Matt@VeritasPrep View latest post

f is defined by f (n) = k a^n

by:
For all integers n, the function f is defined by f (n) = k a^n where...

3 EXPERT REPLIES Wed Jul 31, 2013 6:24 am

by: Brent@GMATPrepNow View latest post

Ratio question

by:
A certain bookstore sells paperback and hardcover books. The ratio of...

1 Tue Jul 30, 2013 2:31 pm

by: sparkles3144 View latest post

v,w,x,y,z

by:
Runners V, W, X, Y and Z are competing in the Bayville local...

3 EXPERT REPLIES Tue Jul 30, 2013 1:29 pm

by: Matt@VeritasPrep View latest post

help

by:
Two cards selected from a pair of poker. If the sum of the numbers on...

1 EXPERT REPLIES Tue Jul 30, 2013 11:14 am

by: GMATGuruNY View latest post

Making up DS questions

by:
As part of an effort to gain a deeper understanding of GMAT question...

2 EXPERT REPLIES Tue Jul 30, 2013 9:09 am

by: Matt@VeritasPrep View latest post

The solution is not correct- The answer should be c

by:
Hello

3 EXPERT REPLIES Tue Jul 30, 2013 8:35 am

by: Matt@VeritasPrep View latest post

How to solve

by:
Four dollar amounts, w, x, y, and z, were invested in a business....

2 EXPERT REPLIES Mon Jul 29, 2013 12:34 pm

by: Rich.C@EMPOWERgmat.com View latest post

Clarity needed on the concept

by:
j

1 EXPERT REPLIES Mon Jul 29, 2013 6:08 am

by: Brent@GMATPrepNow View latest post

Confusing OG Solution

by:
Im not convinced of the explanation given in OG

3 EXPERT REPLIES Mon Jul 29, 2013 4:11 am

by: GMATGuruNY View latest post

:/

by:
2. If there are 25 balls in a bag of either red blue or white color...

3 EXPERT REPLIES Sun Jul 28, 2013 7:23 am

by: Brent@GMATPrepNow View latest post

9 < x < 100

by:
If x is an integer such that 9 < x < 100, is x prime? (1) Both...

5 EXPERT REPLIES Sun Jul 28, 2013 2:46 am

by: GMATGuruNY View latest post

Is there any simpler way to solve ths question?

by:
162. Is 5^k less than 1,000? (1)5k+1> 3,000 (2)5k-l = 5k-500

4 EXPERT REPLIES Fri Jul 26, 2013 9:37 am

by: Brent@GMATPrepNow View latest post

Is |x| + |y| = 0?

by:
I'm having difficulty understanding this problem. I understand why 1...

2 EXPERT REPLIES Thu Jul 25, 2013 6:06 pm

by: Rich.C@EMPOWERgmat.com View latest post

cube root of x

by:
64. If x is an integer between 2 and 100 and if root x is also an...

6 EXPERT REPLIES Thu Jul 25, 2013 3:15 am

by: GMATGuruNY View latest post

DS OG 13th 105 problem

by:
Material A costs $3 /kg ,and MAterial B costs $5/kg .If 10Kg of...

4 EXPERT REPLIES Wed Jul 24, 2013 7:41 pm

by: Rich.C@EMPOWERgmat.com View latest post

rewrite 2x+2x?

by:
What is the value of 2x + 2x/2y? 1) x - y = 8 2) x/y = -3 Answer here...

1 EXPERT REPLIES Wed Jul 24, 2013 1:20 pm

by: GMATGuruNY View latest post

Coordinate geometry

by:
In the rectangular coordinate system, are the points (r,s) and (u,v )...

1 EXPERT REPLIES Wed Jul 24, 2013 7:48 am

by: Brent@GMATPrepNow View latest post

MGMAT Test 5 - Is x a negative number?

by:
Is x a negative number? (1) x^2 is a positive number. (2) x X |y| is...

9 EXPERT REPLIES Wed Jul 24, 2013 12:38 am

by: Imsukhi View latest post

DS Inequality Practice

by:
Is XY > 0? (1) X - Y > -2 (2) X - 2Y < -6

7 EXPERT REPLIES Tue Jul 23, 2013 9:57 pm

by: Matt@VeritasPrep View latest post

Properties of Numbers

by:
K is a set of numbers such that (i) If x is in K, then -x is in K and...

2 EXPERT REPLIES Tue Jul 23, 2013 7:10 pm

by: GMATGuruNY View latest post

Properties of numbers

by:
For any integers x and y, min(x, y) and max(x, y) denote the minimum...

6 EXPERT REPLIES Tue Jul 23, 2013 2:16 pm

by: Rich.C@EMPOWERgmat.com View latest post

help

by:
Alan is a bartender, and someone has removed all the labels from the...

1 EXPERT REPLIES Mon Jul 22, 2013 1:33 pm

by: Rich.C@EMPOWERgmat.com View latest post

Confused on the norms being used here :)

by:
If xy=-15 , what is the value of xy(x-y)? 1)x+y=2 2)x^2y=45 Can we...

4 EXPERT REPLIES Mon Jul 22, 2013 11:42 am

by: Brent@GMATPrepNow View latest post

Decimals

by:
If d denotes a decimal, is d ≥ 0.5 ? (1) When d is rounded to the...

3 EXPERT REPLIES Mon Jul 22, 2013 9:11 am

by: GMATGuruNY View latest post

Inequality

by: Page: 1, 2
Is x^2 greater than x ? (1) x^2 is greater than x^3. (2) x^2 is...

23 EXPERT REPLIES Mon Jul 22, 2013 6:48 am

by: Brent@GMATPrepNow View latest post

Why we have considered equal no of members?

by:
Hi, I have taken this problem from OG 13: 93. Is the number of...

1 EXPERT REPLIES Mon Jul 22, 2013 12:09 am

by: Rich.C@EMPOWERgmat.com View latest post

Remainder - tens digit

by:
What is the value of the two-digit positive integer n? (1) When n is...

3 EXPERT REPLIES Sun Jul 21, 2013 10:10 pm

by: Matt@VeritasPrep View latest post

Sets Question

by:
Set A consists of five different numbers; set B consists of four...

1 EXPERT REPLIES Sun Jul 21, 2013 8:18 pm

by: Rich.C@EMPOWERgmat.com View latest post

DS : Pls help

by:
What is the value of y? (1) 3|x^2 - 4| = y - 2 (2) |3 - y| = 11

3 EXPERT REPLIES Sat Jul 20, 2013 2:56 pm

by: Brent@GMATPrepNow View latest post

Number Properties

by:
p^a* q^b* r^c* s^d = x, where x is a perfect square. If p, q, r, and...

2 EXPERT REPLIES Sat Jul 20, 2013 7:17 am

by: jose.mario.amaya View latest post

Best DS practice?

by:
Hey guys, Im having a lot of problems with DS (and quant in general)....

2 EXPERT REPLIES Fri Jul 19, 2013 11:27 am

by: yousufa View latest post

GMAT PREP 1 QUESTION

by:
Friends, could somebody explain how to solve this. OA is (a). Thanks....

3 EXPERT REPLIES Fri Jul 19, 2013 7:23 am

by: semwal View latest post

MGMAT 6 | Statistics

by:
A new electric car company holds a limited-time sales event. On the...

3 EXPERT REPLIES Fri Jul 19, 2013 3:29 am

by: GMATGuruNY View latest post

help

by:
What is the slope of line p? 1. x intercept is twice the y intercept...

4 EXPERT REPLIES Wed Jul 17, 2013 9:54 am

by: Brent@GMATPrepNow View latest post

what is the answer?

by:
In the xy plane, if line k has negative slope and passes through the...

2 EXPERT REPLIES Wed Jul 17, 2013 3:34 am

by: swathi8388 View latest post

which is the right answer ?

by:
In an election how many votes are cast. 1. the winning candidate gets...

7 EXPERT REPLIES Tue Jul 16, 2013 7:14 pm

by: Uva@90 View latest post

it isnt tough but i still didnt get it

by:
1. In the xy plane, line k passes through the point (1, 1) and line m...

2 Tue Jul 16, 2013 12:47 pm

by: jitsy View latest post

help

by:
In the coordinate plane, line A is defined by the equation 3x+2y=k,...

2 EXPERT REPLIES Tue Jul 16, 2013 10:30 am

by: Brent@GMATPrepNow View latest post

DS Problem on - Economist Test @ gmat.babson.edu

by:
If a and x are integers, and a is even, is x even too? (1) x^a is...

2 EXPERT REPLIES Mon Jul 15, 2013 9:25 am

by: Matt@VeritasPrep View latest post

Simpler Solution?

by:
At a certain convenience store, the revenue from Brand A hot dogs...

2 EXPERT REPLIES Sun Jul 14, 2013 4:22 am

by: GMATGuruNY View latest post

Is x > 1 ? GMAT Prep Pack 1 QDS08380

by:
I am having difficulty understanding the official explanation, can...

2 EXPERT REPLIES Sat Jul 13, 2013 10:09 am

by: Matt@VeritasPrep View latest post

What is the value of x?

by:
What is the value of x? (1) x! is odd (2) x is even

2 EXPERT REPLIES Sat Jul 13, 2013 7:19 am

by: send2dar View latest post

Official question..have no idea how to approach this one

by:
If x and y are positive integers such that x = 8y + 12, what is the...

3 EXPERT REPLIES Sat Jul 13, 2013 6:09 am

by: send2dar View latest post

Integer

by:
Is the integer x even? (1) x2 is an even integer. (2) X/4 is an odd...

5 EXPERT REPLIES Sat Jul 13, 2013 5:46 am

by: send2dar View latest post

Identical rectangular tiles

by:
In the diagram, the fourteen rectangular tiles are all identical....

3 EXPERT REPLIES Fri Jul 12, 2013 5:53 pm

by: sidceg View latest post

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