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Data Sufficiency

Topics Posts Last Post

Consecutive Integer Problem

by:
Whats the quickest way to solve this? If D is a positive integer and...

2 Sat Nov 15, 2008 8:43 pm

by: iamcste View latest post

Question 7 (nov.15th)

by:
If s and t are two different numbers of the number line, is s+t equal...

2 Sat Nov 15, 2008 5:09 pm

by: bacali View latest post

Question 1 (nov.15th)

by:
OA: A Sorry already shows in image... Please help explain this one

1 EXPERT REPLIES Sat Nov 15, 2008 5:04 pm

by: dmateer25 View latest post

Question 5 (nov. 15th)

by:
If the average (arithmetic mean) of the five numbers x, 7, 2, 16 and...

1 Sat Nov 15, 2008 5:00 pm

by: cramya View latest post

Question 4 (nov.15th)

by:
Martha bought an armchair and a coffee table at an auction and sold...

1 Sat Nov 15, 2008 4:58 pm

by: cramya View latest post

Quesion 3 (nov.15th)

by:
On a certain sight-seeing tour, the ratio of the number of women to...

1 Sat Nov 15, 2008 4:51 pm

by: cramya View latest post

Question 2 (nov. 15th)

by:
If wx=y, what is the value of xy? 1) wx^2= 16 2) y=4 OA: A

1 Sat Nov 15, 2008 4:49 pm

by: cramya View latest post

PROBABILITY DS

by:
If two students are chosen at random with replacement from a certain...

6 Sat Nov 15, 2008 3:27 pm

by: cramya View latest post

LCM

by:
I have a general question. Is zero a multiple of all numbers? I think...

1 Sat Nov 15, 2008 11:23 am

by: cramya View latest post

exponent ds

by:
If 2 ^ (2m+1) = 2 ^ (n+2) What is the value of m+n? (1) 2 ^ (3n-1) =...

4 Sat Nov 15, 2008 11:03 am

by: logitech View latest post

Square Root

by:
Hi, Can anyone help me out on the DS problem below? Is ^0.5 = 3-x ?...

5 EXPERT REPLIES Sat Nov 15, 2008 10:24 am

by: iamcste View latest post

number of shares

by:
Over a certain time period did the number of shares of stock in...

1 Fri Nov 14, 2008 11:27 pm

by: cramya View latest post

3n/18 and 5n/18 (from user "roland")

by:
a problem from a student -- Problem - Is n/18 an Integer ? 1) 5n/18...

1 EXPERT REPLIES Fri Nov 14, 2008 10:31 pm

by: lunarpower View latest post

algebra

by:
^1/2 A. -x B. x C. 1 D. -1 E. x^1/2 the answer is A. can some one...

11 EXPERT REPLIES Fri Nov 14, 2008 8:21 pm

by: cramya View latest post

A Question from GMAT prep exam

by:
If t is a postive integer and r is the remainder when t-squared+5t+6...

10 Fri Nov 14, 2008 6:30 pm

by: logitech View latest post

DIGITS DS

by:
What is the 2 digit number whose first digit is a and whose second...

3 Fri Nov 14, 2008 6:26 pm

by: cramya View latest post

A simple one

by:
. If Jack's and Kate's annual salaried in 1985 were each 10 percent...

6 Fri Nov 14, 2008 5:41 pm

by: cramya View latest post

Tough one

by:
Is |x|< 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| ≠ 0 Please...

6 Fri Nov 14, 2008 4:29 pm

by: logitech View latest post

Question 3 (nov.14th)

by:
Q36: If a, b, c, and d are positive integers, is (a/b) (c/d) >...

1 Fri Nov 14, 2008 2:58 pm

by: cramya View latest post

GMATPrep Integers

by:
You'd think that integers is the easiest math topic, but I'm...

3 Fri Nov 14, 2008 10:47 am

by: aim-wsc View latest post

DS Plz. help

by:
Can someone plz. explain

14 Fri Nov 14, 2008 9:45 am

by: EricLien9122 View latest post

timing

by:
i always end up taking too long on ds questions. i usually have to...

3 Fri Nov 14, 2008 9:04 am

by: rocknroll View latest post

GPREP question.

by:
In the xy-plane, what is the y-intercept of line L? (1) The slope of...

2 Fri Nov 14, 2008 4:30 am

by: iamcste View latest post

GMAT PREP INEQUALITY ??

by:
PLEASE HELP...

9 EXPERT REPLIES Thu Nov 13, 2008 10:18 pm

by: aj5105 View latest post

Technique for numbers

by:
If p,q,r, and s are nonzero numbers, is (p - 1)(q - 2)2(r - 3)3(s -...

7 Thu Nov 13, 2008 8:50 pm

by: stop@800 View latest post

range

by: Page: 1, 2
Professor Vasquez gave a quiz to two classes. Was the range of scores...

15 Thu Nov 13, 2008 2:45 pm

by: Fab View latest post

Takeaway from OG11 questions 331 and 336.

by:
From OG11 page 336 ex 146 Is n an integer? (I) n^2 is an integer (II)...

3 Thu Nov 13, 2008 2:00 pm

by: iamcste View latest post

intercept of line

by:
CAn someone plz. explain what information do we need to check if a...

3 Thu Nov 13, 2008 12:18 pm

by: logitech View latest post

Exam Tomorrow - Need help with this one

by:
12. DS: x+y>0? 1) x/(x+y)>0; 2) y/ (x + y)> 0; OA is C but I...

4 Thu Nov 13, 2008 10:47 am

by: logitech View latest post

Prime Factors

by:
If the prime numbers p and t are the only prime factors of integer m,...

10 Thu Nov 13, 2008 10:31 am

by: lachlanc View latest post

Remainders

by:
If p and n are positive integers p >n , what is the remainder when...

7 Thu Nov 13, 2008 9:52 am

by: stop@800 View latest post

Logitech DS3

by:
OA E

5 Thu Nov 13, 2008 8:02 am

by: mental View latest post

3

by:
Recently Mary gave a birthday party for her daughter at which she...

4 Wed Nov 12, 2008 9:48 pm

by: lightbulb View latest post

probability

by:
If 2 different represenatives are to be selected at random from a...

5 Wed Nov 12, 2008 8:00 pm

by: ohwell View latest post

Distances

by:
OA is C but IMO B is sufficient. From B I am getting r+s=0 r=-s, so B...

5 Wed Nov 12, 2008 12:33 pm

by: logitech View latest post

DS Q

by:
If (x/y)>2, is 3x+2y<18? (1) x-y is less than 2 (2) y-x is less...

4 Wed Nov 12, 2008 9:16 am

by: logitech View latest post

DS question - Any easy method?

by:
Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How...

6 Wed Nov 12, 2008 8:53 am

by: logitech View latest post

Hard quant

by:
If N is an integer, What is the units' digit of (N-1)! + N! + (N+1)!...

8 EXPERT REPLIES Wed Nov 12, 2008 6:43 am

by: daphyy View latest post

took a little too long to solve this !!

by:
18. If x and y are nonzero integers, is(x/y) an integer? (1) x is the...

9 EXPERT REPLIES Wed Nov 12, 2008 5:25 am

by: cramya View latest post

2-q18

by:
18. In the figure above, D is a point on side AC of ΔABC. Is...

9 Wed Nov 12, 2008 3:48 am

by: mental View latest post

Moderately easy one

by:
Last Tuesday a trucker paid $155.76, including 10 percent state and...

1 Tue Nov 11, 2008 10:28 pm

by: cramya View latest post

Manhatten DS problem

by:
The question is this: If x and y are positive integers and 3x + 5...

3 Tue Nov 11, 2008 6:41 pm

by: shaden View latest post

Jurors

by:
twelve jurors must be picked from a pool of n potential jurors. If m...

2 Tue Nov 11, 2008 8:47 am

by: 4meonly View latest post

INtegers

by:
Whats the fastest approach for problems like these?

2 Tue Nov 11, 2008 8:46 am

by: logitech View latest post

Mgmat 6

by:
The total cost of producing item X is equal to the sum of item X's...

1 Tue Nov 11, 2008 7:33 am

by: 4meonly View latest post

DS

by:
Pam and Ed are in a line to purchase tickets. How many people are in...

5 Mon Nov 10, 2008 11:02 pm

by: logitech View latest post

DS

by:
If x and y are positive integers and x is a multiple of y, is y = 2?...

2 Mon Nov 10, 2008 10:11 pm

by: muzali View latest post

Bowls X and Y

by:
Bowls X and Y each contained exactly 2 jelly beans, each of which was...

7 Mon Nov 10, 2008 9:12 pm

by: jayjk78 View latest post

GMAT Prep

by:
Couldn't get WHY the answer is C and not D. Can anyone pls help....

2 Mon Nov 10, 2008 9:02 pm

by: jayjk78 View latest post

Students

by:
Students are taking their test, and those who score in the bottom 16...

3 Mon Nov 10, 2008 8:43 pm

by: logitech View latest post

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