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x2 + y2 vs (x +y)2
by rohit_gmat »
Is x^2 + y^2 > 100 ? 1) 2xy < 100 2) (x + y)^2 > 200 OA C I...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Oct 17, 2011 5:55 am
Digits.
by lenagmat »
A person travels in a car with uniform speed. He observes a...
4
Last post by shankar.ashwin
Mon Oct 17, 2011 5:02 am
Good one!
by GmatKiss »
Data Sufficiency: The number A is a two-digit positive integer; the...
3
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Last post by Anurag@Gurome
Mon Oct 17, 2011 2:55 am
Numbers.
by lenagmat »
Is (X^2+Y^2) a square of an integer? 1). x is even, y is odd 2). x...
4
EXPERT REPLIES
Last post by lenagmat
Sun Oct 16, 2011 11:27 pm
Positive integer?
by GmatKiss »
How many factors does x have, if x is a positive integer? (1) x =...
5
Last post by fcabanski
Sun Oct 16, 2011 11:32 am
DS problem - How to solve absolute inequalities?
by praveen_gmat »
Is 1 / (a-b) < (b-a)? (1) a < b (2) 1 <...
5
Last post by sam2304
Sun Oct 16, 2011 8:37 am
Coin flip
by GmatKiss »
Susan flipped a fair coin N times. What fraction of the flips came up...
5
EXPERT REPLIES
Last post by leonswati
Sun Oct 16, 2011 7:42 am
Power
by GmatKiss »
What is the units digit of a^36? a) a^2 has 9 as the units digit b)...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Oct 16, 2011 6:52 am
*** Confused *** Is the product xy negative
by vipin85 »
Please can someone shed light on the answer for this DS question. Is...
11
Last post by mukgera
Sun Oct 16, 2011 1:22 am
MGMAT Cat 1 - Any other strategy
by adi_800 »
If p < q and p < r, is pqr < p? (1) pq < 0 (2) pr < 0...
5
Last post by garima99
Sun Oct 16, 2011 12:27 am
volume of a certain cube
by GmatKiss »
What is the volume of a certain cube? (1) The sum of the areas of the...
2
Last post by mukgera
Sat Oct 15, 2011 10:02 pm
% paid, received
by GmatKiss »
If a grocery shopper received $0.25 off the original price of a...
4
Last post by mukgera
Sat Oct 15, 2011 9:56 pm
Standard Deviation
by winny »
What is the standard deviation of a given set of numbers whose...
5
Last post by vaibhavgupta
Sat Oct 15, 2011 9:31 pm
Grockit blog DS
by GmatKiss »
For a certain company X, the average daily payroll for each 30-day...
1
Last post by pemdas
Sat Oct 15, 2011 8:16 pm
Inequalities
by KItuz »
If x!=-y, is / > 1 x > 0 y < 0
5
Last post by KItuz
Sat Oct 15, 2011 4:20 pm
Check dis one
by vaibhavgupta »
If q>r, what is the sum of q and r? 1) q is 50 more than r. 2) r...
2
Last post by vaibhavgupta
Sat Oct 15, 2011 1:23 am
Which of company X and company Y earned the greater profits?
by bhumika.k.shah »
Which of company X and company Y earned the greater gross profits...
4
Last post by sl750
Fri Oct 14, 2011 11:38 pm
Henry's sale : DS problem... pls help
by praveen_gmat »
Henry purchased 3 items during a sale. He received a 20 percent...
2
EXPERT REPLIES
Last post by Whitney Garner
Fri Oct 14, 2011 12:12 pm
Anything for Statistics???
by parul9 »
Does anyone have any practice material for statistics? I mess these...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Oct 14, 2011 8:41 am
Roar and Rain
by newton9 »
In a town of Z, the town lion roars on some days and not on others....
4
Last post by cbaum
Thu Oct 13, 2011 8:39 am
GMAT PREP >??
by dferm »
Are at least 10 percent of the people in Country X who are 65 years...
16
Last post by GMATGuruNY
Thu Oct 13, 2011 6:26 am
DS - Number list
by AJ1440 »
Hi Are all of the numbers in a certain list of 15 numbers equal? (1)...
2
Last post by GMATGuruNY
Thu Oct 13, 2011 3:29 am
Tough Mean Problem
by nandy1984 »
On Jane's credit card account, the average daily balance for a 30-day...
3
EXPERT REPLIES
Last post by GMATGuruNY
Thu Oct 13, 2011 3:25 am
Another GMAT Prep Question
by winny »
someone please explain...
3
EXPERT REPLIES
Last post by saketk
Wed Oct 12, 2011 9:31 pm
Official Guide 12th Data Sufficiency Section, OG 12 DS
by MrCleantek »
Hi All, I have seen a section for OG 12 PS problems in PS section of...
11
Last post by MrCleantek
Wed Oct 12, 2011 7:42 pm
GMATPREP:Bank Account problem
by zaarathelab »
If $1,000 is deposited in a certain bank account and remains in the...
4
Last post by GMATGuruNY
Wed Oct 12, 2011 10:57 am
Abominable ABs
by parul9 »
If a and b are integers, and |a| > |b|, is a · |b| < a...
7
Last post by nandy1984
Wed Oct 12, 2011 8:23 am
Reflection of lines- Are they actually tested?
by rahulvsd »
Hi Experts, Do we need to study the reflection of lines concept? Are...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Oct 12, 2011 6:21 am
Multiple intergers- how to attack this type of problems?
by Taniuca »
if P is a ser of intergers and 3 is in p, is every positive multiple...
2
Last post by Brian@VeritasPrep
Tue Oct 11, 2011 3:26 pm
GMAT Prep Question
by winny »
Can someone please explain this?
1
Last post by shankar.ashwin
Tue Oct 11, 2011 10:50 am
If K is a multiple of 29, is KY a multiple of 174?
by leonswati »
If K is a multiple of 29, is KY a multiple of 174? (1) Y has all the...
2
Last post by gmatclubmember
Tue Oct 11, 2011 9:33 am
is a/b > c/d?
by sanju09 »
If a, b, c, and d are positive integers, is a/b > c/d? (1) a >...
11
EXPERT REPLIES
Last post by sanju09
Tue Oct 11, 2011 2:16 am
Shipping and processing DS problem
by praveen_gmat »
Hi, For the question below: For each order, a mail order bookseller...
3
EXPERT REPLIES
Last post by praveen_gmat
Tue Oct 11, 2011 12:19 am
Absolute values!
by smackmartine »
What is the value of y? (1) 3|x^2 - 4| = y - 2 (2) |3...
5
Last post by smackmartine
Mon Oct 10, 2011 11:29 pm
tricky DS questions
by akane »
Hello! Can anyone help me understand these two DS questions and how...
8
Last post by KrazyKarl
Mon Oct 10, 2011 9:55 pm
Algebraic Solution needed
by smackmartine »
Hi guys, Sometimes under time pressure I am not able to think...
2
Last post by smackmartine
Mon Oct 10, 2011 9:52 pm
Each year, a college admissions committee grants a ....
by factor26 »
Each year, a college admissions committee grants a certain number of...
1
Last post by shankar.ashwin
Mon Oct 10, 2011 7:29 pm
Inequalities.
by Neha Mittal »
|x+2| = 2|x-2| find range of x I do not understand why x = 6 is an...
4
EXPERT REPLIES
Last post by Whitney Garner
Mon Oct 10, 2011 2:44 pm
OG practice coordinate plane problem
by Redhorsep »
Hi, Can someone please show this problem on a graph? It's hard to...
2
Last post by nandy1984
Mon Oct 10, 2011 7:19 am
Reflection of a line - Grockit
by adi_800 »
A line with the equation y = px + q is reflected over the line y = x....
5
Last post by GmatMathPro
Mon Oct 10, 2011 5:09 am
Ratio- proportions-DS Please help!!
by winny »
In what proportions should coffee of type A, type B and type C be...
2
Last post by Xeb
Mon Oct 10, 2011 5:05 am
GROCKIT - Circles DS
by rahulvsd »
AB is the diameter of the circle. CD is parallel to AB. What is the...
3
Last post by GMATGuruNY
Mon Oct 10, 2011 3:12 am
Any approach other than Picking numbers??
by adi_800 »
If a and n are positive numbers, does 2a^x = n ? (1) a^x + 1/a^x =...
1
Last post by shankar.ashwin
Mon Oct 10, 2011 12:06 am
DS - Number problem
by AJ1440 »
HI All .. posting one DS problem from GMAT official .. though I know...
3
EXPERT REPLIES
Last post by parul9
Sun Oct 09, 2011 11:08 pm
Geometry
by mukgera »
Please help me with this problem.
3
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Oct 09, 2011 8:51 pm
help
by nafiul9090 »
is X>0 i) xy>0 ii) X+Y>0 please help needed
2
EXPERT REPLIES
Last post by nafiul9090
Sun Oct 09, 2011 8:49 pm
DS Problem
by mukgera »
How to approach this problem ?
1
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Oct 09, 2011 7:34 pm
Number Problem in DS
by mukgera »
Please Help me with this Problem. I am not able to figure out how to...
1
Last post by GmatMathPro
Sun Oct 09, 2011 6:13 pm
If x2/9 – 4/y2 ....
by factor26 »
If x2/9 - 4/y2 = 12, what is the value of x? (1) x/3 + 2/y = 6...
1
Last post by gmatclubmember
Sun Oct 09, 2011 1:11 pm
number of doughnuts
by Cheese12 »
At the bakery, Lew spent a total of $6.00 for one kind of cupcake and...
1
Last post by GmatMathPro
Sun Oct 09, 2011 10:43 am