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Data Sufficiency

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DS : what is the value of a + b + c +d ?
by nikhilgmat31 »
If a, b, c, and d are integers where 0 < a < b < c < d,...
1
Last post by GMATGuruNY
Thu Jun 04, 2015 3:17 am
Data Sufficiency - Perimeter of a Rectangle
by infiniti007 »
Can anyone elucidate why B would not be the correct answer for the...
4
Last post by Brent@GMATPrepNow
Wed Jun 03, 2015 12:02 pm
a and b are positive integer
by j_shreyans »
If a and b are positive integers, what is the remainder when ab is...
8
Last post by nikhilgmat31
Tue Jun 02, 2015 2:12 am
Please let me know the answer
by src_saurav »
1. What is the value of absolute|x| ? 1)x= -|x| 2)xsq =4 my answer...
2
Last post by nikhilgmat31
Tue Jun 02, 2015 1:57 am
DS
by Jassica »
Guests at a recent party ate a total of fifteen hamburgers. Each...
2
Last post by Brent@GMATPrepNow
Mon Jun 01, 2015 4:25 pm
function f(a)
by j_shreyans »
The function f is defined for all positive integers n > 4 as f(n)...
5
Last post by GMATGuruNY
Sun May 31, 2015 2:45 am
Divisibility Problem
by RadiumBall »
If P, Q, R, and S are positive integers, and P/Q=R/S , is R divisible...
6
Last post by Ian Stewart
Sat May 30, 2015 11:52 am
value of y
by j_shreyans »
What is the value of y? (1) 3| x^2 - 4| = y - 2 (2) |3...
3
Last post by [email protected]
Fri May 29, 2015 9:27 am
n consecutive integers
by j_shreyans »
The sum of n consecutive positive integers is 45. What is the value...
3
Last post by Brent@GMATPrepNow
Fri May 29, 2015 9:18 am
Problem solving
by Newaz111 »
In the xy-plane, the point (-2, -3) is the center of a circle. The...
1
Last post by Ian Stewart
Wed May 27, 2015 5:36 pm
Trivial number line
by kanha81 »
If s and t are two different numbers on the number line, is s+t = 0?...
6
Last post by Eli@Prep4GMAT
Tue May 26, 2015 1:19 pm
Doubt in a solution from the OG(13 Ed). Question No 157
by cruzerkk »
This is with reference to DS Question # 157 from the 13th edition of...
4
Last post by cruzerkk
Tue May 26, 2015 9:05 am
Is v>0
by binaras »
Hi Need some help in solving the attached. Thanks B
4
Last post by prachi18oct
Tue May 26, 2015 7:57 am
When the digits of two-digit, positive integer M
by gmat_winter »
When the digits of two-digit, positive integer M are reversed, the...
2
Last post by nikhilgmat31
Tue May 26, 2015 4:05 am
Please provide a detailed solution for this problem
by Architj »
In a certain mattress store, each week fiona earns a salary of $360...
3
Last post by GMATGuruNY
Tue May 26, 2015 2:24 am
Absolute Values
by Uva@90 »
What is the value of X ? 1) |X| < 2 2) |X| = 3X-2 OA B I feel OA...
3
Last post by Uva@90
Sun May 24, 2015 9:10 am
x,y are positive integers. Find the number of even factors
by RBBmba@2014 »
x,y are positive integers. Find the number of even factors of 4*x^2....
7
Last post by Ian Stewart
Sat May 23, 2015 7:16 pm
Is x > y ?
by amitansu »
Is x > y ? 1. - absolute value of x = -8 2. y/absolute value of x...
7
Last post by GMATGuruNY
Fri May 22, 2015 9:40 am
tough DS Question(Speed Question)
by aj_gmatwizard »
Rachel drove the 120 miles from A to B at a constant speed. What was...
3
Last post by Brent@GMATPrepNow
Fri May 22, 2015 9:34 am
Need a Problem Solving & DS Formula Summary Guide
by nikhilgmat31 »
Please share Problem Solving & DS Formula Summary Guide or share...
1
Last post by Brent@GMATPrepNow
Fri May 22, 2015 9:15 am
If m and n are both 2................
by conquistador »
Source: Kaplan OA is c If m and n are both 2 digit numbers and...
1
Last post by DavidG@VeritasPrep
Wed May 20, 2015 11:11 am
x is a factor of y
by j_shreyans »
If x and y are positive integers, is x a factor of y? 1) x=y^2 2)...
3
Last post by Brent@GMATPrepNow
Wed May 20, 2015 10:21 am
Product of ab
by j_shreyans »
If a and b are two integers such that a is even, b is odd and neither...
1
Last post by binit
Wed May 20, 2015 1:21 am
chocolatier
by j_shreyans »
Five friends recently visited a famous chocolatier, and collectively...
1
Last post by GMATGuruNY
Tue May 19, 2015 9:12 am
Algebra - Ratios
by anirudhbhalotia »
If r> 0 and s>0, is r/s < s/r ? 1. r/3s = 1/4 2. s = r + 4...
6
Last post by Brent@GMATPrepNow
Mon May 18, 2015 5:41 pm
Probability - Tossing a coin
by Uva@90 »
Hi All, How many times was a fair coin tossed? (1) If the coin has...
1
Last post by theCEO
Sat May 16, 2015 1:26 pm
DS1
by Jassica »
A certain number of marbles are to be removed from a box containing...
3
Last post by DavidG@VeritasPrep
Fri May 15, 2015 10:23 am
Data sufficiency
by akash singhal »
IS m+z>0? 1) m-3z >0 2) 4z-m >0 please explain process of...
2
Last post by GMATGuruNY
Fri May 15, 2015 4:28 am
Two positive integers a and b are divisible by 5, which is
by RBBmba@2014 »
Two positive integers a and b are divisible by 5, which is their...
2
Last post by RBBmba@2014
Tue May 12, 2015 9:48 am
In a network of car dealerships, a group of d sales director
by RBBmba@2014 »
In a network of car dealerships, a group of d sales directors each...
4
Last post by GMATGuruNY
Tue May 12, 2015 6:16 am
If two of the four expressions x+y,x+5y,x-y and 5x-y ar
by varun289 »
260. If two of the four expressions x+y,x+5y,x-y and 5x-y are chosen...
11
Last post by Scott@TargetTestPrep
Tue May 12, 2015 5:54 am
Trick Question?
by Rastis »
It takes Amy between 6 and 7 minutes to grill a steak, and she can...
4
Last post by Rastis
Sat May 09, 2015 7:10 am
Data sufficiency
by Newaz111 »
It's may be an easy problem, but i am little bit confused about...
2
Last post by Brent@GMATPrepNow
Sat May 09, 2015 6:55 am
If x, y, and z are integers greater than 1, and (3^27)(5^10)
by RBBmba@2014 »
If x, y, and z are integers greater than 1, and (3^27)(5^10)(z) =...
7
Last post by DavidG@VeritasPrep
Fri May 08, 2015 11:02 am
In which quadrant of the coordinate plane does the point (x,
by RBBmba@2014 »
In which quadrant of the coordinate plane does the point (x, y) lie?...
2
Last post by DavidG@VeritasPrep
Fri May 08, 2015 4:41 am
OG13- D.S- Q114
by mehrasa »
Adepartment manager distributed a number of pens, pencils, and pads...
1
Last post by GMATGuruNY
Fri May 08, 2015 1:32 am
Data sufficiency
by Newaz111 »
Is the sum of p2 and q2 greater than 1? (1)p is greater than 1/2. (2)...
1
Last post by Brent@GMATPrepNow
Thu May 07, 2015 9:23 pm
If x, y and z are positive integers such that x^4y^3 = z^2
by RBBmba@2014 »
If x, y and z are positive integers such that x^4*y^3 = z^2, is...
4
Last post by GMATGuruNY
Thu May 07, 2015 3:06 am
Pls suggest
by prachi18oct »
I made a clumsy calculation mistake and got it wrong. However I want...
1
Last post by [email protected]
Wed May 06, 2015 9:33 am
xy>0?
by bitnara »
Is xy>0? 1)x+y>0 2)x/y>0
1
Last post by GMATGuruNY
Tue May 05, 2015 10:29 pm
Pls explain
by prachi18oct »
1
Last post by GMATGuruNY
Tue May 05, 2015 10:43 am
Average
by prachi18oct »
Please tell me if the below reasoning is sufficient to answer the...
2
Last post by Brent@GMATPrepNow
Tue May 05, 2015 9:58 am
Harry's home
by j_shreyans »
What is the distance between Harry's home and his office? (1)...
2
Last post by Brent@GMATPrepNow
Tue May 05, 2015 8:46 am
DS- Difficult Probability
by [email protected] »
If 2 different representatives are to be selected at random from a...
7
Last post by binit
Mon May 04, 2015 11:16 pm
red ball_prep
by [email protected] »
8
Last post by binit
Mon May 04, 2015 10:43 pm
Ashok and Brian
by j_shreyans »
Ashok and Brian are both walking east along the same path; Ashok...
1
Last post by GMATGuruNY
Mon May 04, 2015 9:48 am
Data sufficiency
by Newaz111 »
For each positive integer n, the integer n* is defined by n* = n^2 +...
2
Last post by Brent@GMATPrepNow
Mon May 04, 2015 7:27 am
There are x children and y chairs arranged in a circle in a
by RBBmba@2014 »
There are x children and y chairs arranged in a circle in a room...
7
Last post by Matt@VeritasPrep
Mon May 04, 2015 12:08 am
If ABCE is a rectangle
by conquistador »
If ABCE is a rectangle, is the area of triangle AED greater than the...
1
Last post by Brent@GMATPrepNow
Sun May 03, 2015 9:58 am
Alternative solution
by prachi18oct »
Q. each member of a pack of 55 wolves has either brown or blue eyes...
1
Last post by GMATGuruNY
Sat May 02, 2015 12:59 pm