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Data Sufficiency

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Is y=2?
by GmatKiss »
If x and y are positive integers and x is a multiple of y, is y = 2?...
5
Last post by bpdulog
Fri Oct 21, 2011 9:46 am
Divisibility and primes
by apshara5 »
If a and b are both single-digit positive integers, is a + b a...
8
Last post by bpdulog
Fri Oct 21, 2011 9:38 am
DS from Mgmat
by adi_800 »
If x is not equal to 0, is |x| less than 1? (1) x/|x| < x (2) |x|...
5
Last post by bpdulog
Fri Oct 21, 2011 9:29 am
nonzero integers
by seema19 »
If r,s and t are nonzero integers, is (r^5)(s^3)(t^4) negative ? 1)...
7
Last post by bpdulog
Fri Oct 21, 2011 9:16 am
Circles DS - Tough one.
by rahulvsd »
In the circle pictured with diameter CD, segments AD and BC intersect...
4
Last post by tpr-becky
Fri Oct 21, 2011 8:46 am
Absolution
by GmatKiss »
If x, y, and z are nonzero numbers, is (x)(y + z) > 0? (1) |x + y|...
3
Last post by tpr-becky
Fri Oct 21, 2011 8:42 am
Geometry Tree shadow
by Layo »
As the figure shown above, the taller tree is 30 feet high and has a...
6
Last post by bpdulog
Fri Oct 21, 2011 7:52 am
remainder when divided by 10
by rohit_gmat »
n and m are positive integers, what is remainder when 3^(4n + 2) + m...
5
Last post by rijul007
Fri Oct 21, 2011 12:21 am
surface area of a rectangular pool
by apshara5 »
Is the surface area of a rectangular pool lager than 1000 square...
3
Last post by neelgandham
Thu Oct 20, 2011 1:23 am
Tangents and Parallelogram
by rahulvsd »
In the figure shown, line segments AB and AC are tangent to the...
2
Last post by shankar.ashwin
Wed Oct 19, 2011 9:57 am
integer
by jainrahul1985 »
If a and b are integers, and |a| > |b|, is a · |b| < a...
3
Last post by Anurag@Gurome
Wed Oct 19, 2011 2:33 am
mary
by jainrahul1985 »
Recently Mary gave a birthday party for her daughter at which she...
2
Last post by neelgandham
Wed Oct 19, 2011 2:12 am
expressed
by jainrahul1985 »
If xy ≠ 0, could y be expressed as -2/x? (1) x^2y^2 - xy...
8
Last post by saketk
Tue Oct 18, 2011 10:32 am
Circular Drum - DS
by rahulvsd »
A lever is attached to a circular drum. The lever is operated by...
4
Last post by rahulvsd
Tue Oct 18, 2011 9:31 am
coordinate
by jainrahul1985 »
In the rectangular coordinate system, lines m and n cross at the...
3
Last post by saketk
Tue Oct 18, 2011 7:53 am
absolute value
by mehrasa »
is M<0? 1) -M= absolute value of M 2) M^2=9 OA: C but I think A is...
4
Last post by Brent@GMATPrepNow
Tue Oct 18, 2011 7:04 am
Casey’s total score
by GmatKiss »
What was Casey's total score for eighteen holes of golf? (1)...
4
Last post by saketk
Tue Oct 18, 2011 4:06 am
Registration fee
by GmatKiss »
At a business association conference, the registration fee for...
3
Last post by saketk
Tue Oct 18, 2011 3:55 am
value of n
by GmatKiss »
What is the value of n? (1) n(n -1)(n - 2 ) = 0 (2) n^2...
4
Last post by saketk
Tue Oct 18, 2011 2:25 am
Grockit blog DS
by GmatKiss »
From Grockit blog, Mrs. K's class has 10 students. If the...
4
Last post by saketk
Tue Oct 18, 2011 2:14 am
Integer check
by GmatKiss »
If b is an integer, is root(a^2+b^2) an integer? (1) a2 + b2 is an...
6
Last post by saketk
Mon Oct 17, 2011 9:49 pm
sum of n consecutive integers is given, whats n - help pleae
by kaps786 »
The sum of n consecutive positive integers is 45. What is the value...
3
Last post by gmatdriller
Mon Oct 17, 2011 9:19 pm
DS - Triangle property- Need help
by prat_agl »
Is triangle ABC isoceles? 1. Angle B = 60 degrees 2. Angle C = 60 I...
6
Last post by saketk
Mon Oct 17, 2011 8:01 pm
Confusing DS
by adi_800 »
Firm XYZ incurs fixed overhead costs of $216,000 every year. What...
9
Last post by fcabanski
Mon Oct 17, 2011 7:38 pm
Number Prop frpm GMAT prep Test
by shrey2287 »
If x and y are integers.Is x(y+1) even. 1. x and y are prime nos 2. y...
2
Last post by tpr-becky
Mon Oct 17, 2011 4:00 pm
between the years 2002 and 2007
by factor26 »
Between the years 2002-2007, firm XYZ had a mean annual profit of...
3
Last post by tpr-becky
Mon Oct 17, 2011 3:29 pm
This Week's Manhattan challenge problem
by enjoylife1788 »
Dear members, I came across this week's manhattan question and have...
9
Last post by thestartupguy
Mon Oct 17, 2011 8:51 am
Rectangle ABCD
by GmatKiss »
Rectangle ABCD is inscribed in a circle as shown above. What is the...
5
Last post by leonswati
Mon Oct 17, 2011 6:15 am
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
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
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
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
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
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
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
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