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Data Sufficiency

Topics Posts Last Post

Gmatprep DS trouble

by:
Hi Guys, Here is another one which I am having trouble with.

3 Sun Oct 20, 2013 3:16 am

by: rakeshd347 View latest post

right angled at

by:
Is the triangle ABC, right angled at B? I. Two interior angles of the...

2 EXPERT REPLIES Sat Oct 19, 2013 11:15 pm

by: sanju09 View latest post

Good DS

by:
If M and N are integers, is {(10^M)+N}/3 an integer? (1) N=5 (2) MN...

3 EXPERT REPLIES Sat Oct 19, 2013 12:11 pm

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

Tough DS qs:Experts pl help

by:
If the infinite sequence, M, is defined as M1 = 6, M2 = 96, M3 = 996,...

1 EXPERT REPLIES Sat Oct 19, 2013 11:59 am

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

Algebra or Plug Ins which approach is better

by:
If k is a positive integer, is k a prime number? (1) No integers...

2 EXPERT REPLIES Sat Oct 19, 2013 11:49 am

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

DS_OG_Clarification_Q98

by:
Hi, just when i was reviewing this question in Data sufficiency in pg...

3 EXPERT REPLIES Sat Oct 19, 2013 9:06 am

by: Brent@GMATPrepNow View latest post

DS Question

by:
Is the units digit of integer x2-y2 a zero? (1) x-y is an integer...

2 Sat Oct 19, 2013 8:12 am

by: TheGmatTutor View latest post

If 20 Swiss Francs is enough to buy 9 notebooks

by:
If 20 Swiss Francs is enough to buy 9 notebooks and 3 pencils, is 40...

9 EXPERT REPLIES Sat Oct 19, 2013 4:27 am

by: Uva@90 View latest post

Unable to understand Inequalities Property !

by:
Hi All, I am confused with Understanding Inequalities Property in the...

2 Sat Oct 19, 2013 4:21 am

by: Uva@90 View latest post

Probability/ Combinatorics!

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

3 EXPERT REPLIES Sat Oct 19, 2013 3:23 am

by: GMATGuruNY View latest post

Multiples

by:
In a sequence of 13 consecutive integers, all of which are less than...

1 EXPERT REPLIES Fri Oct 18, 2013 3:01 pm

by: Mike@Magoosh View latest post

Fastest Way to solve this Divisibility Quest

by:
If n is an integer >1, is 3^n-2^n divisible by 35? (1) n is...

1 EXPERT REPLIES Fri Oct 18, 2013 10:45 am

by: Mike@Magoosh View latest post

#133 DS

by:
On the problem below OG 13th has a long explanation that I'm having a...

2 EXPERT REPLIES Fri Oct 18, 2013 10:09 am

by: Brent@GMATPrepNow View latest post

If Bob produces 36 or fewer items in a week

by:
If Bob produces 36 or fewer items in a week, he is paid X dollars per...

2 EXPERT REPLIES Fri Oct 18, 2013 7:49 am

by: GMATGuruNY View latest post

Divisibilty question

by:
Is x^2-y^2 divisible by 8? (1) x and y are even integers. (2) x+y is...

12 EXPERT REPLIES Fri Oct 18, 2013 4:37 am

by: rakeshd347 View latest post

MGMAT EXPONENTS problem

by:
I have understood the concept but there is jus one step in solution...

3 EXPERT REPLIES Thu Oct 17, 2013 1:47 pm

by: GMATGuruNY View latest post

Divisibility

by:
If x, y, and z are positive integers, and {x!+x}/{z}=y, then what is...

11 Thu Oct 17, 2013 1:07 am

by: mevicks View latest post

Number Systems -Odds & Evens

by:
If x and y are positive integers and 3x + 5 < x + 11, is x a prime...

3 EXPERT REPLIES Thu Oct 17, 2013 12:53 am

by: theCodeToGMAT View latest post

Number Systems -Odds & Evens

by:
If x and y are positive integers, is the product xy even? 1). 5x-4y...

3 EXPERT REPLIES Wed Oct 16, 2013 11:11 pm

by: sukhman View latest post

Boy n Girl

by:
The ratio of boys to girls in Class A is 3 to 4. The ratio of boys to...

3 EXPERT REPLIES Wed Oct 16, 2013 7:27 pm

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

Inequalities- Manhattan guide problem

by:
is x^3> x^2? {A} x>0 {B} x^2>x If x is positive then x^3>...

2 EXPERT REPLIES Wed Oct 16, 2013 7:24 pm

by: GMATGuruNY View latest post

Problems

by:
Hi, Can someone pls help me with Problem 13,14,15 of guide...

1 Wed Oct 16, 2013 6:12 pm

by: theCodeToGMAT View latest post

Number Systems -Odds & Evens

by:
n is an integer greater than or equal to 0. The sequence tn for n...

1 EXPERT REPLIES Wed Oct 16, 2013 12:50 pm

by: Geva@EconomistGMAT View latest post

Number Systems -Odds & Evens

by:
If a , b, and c are integers and ab^2 / c is a positive even integer,...

1 EXPERT REPLIES Wed Oct 16, 2013 11:40 am

by: Brent@GMATPrepNow View latest post

Number Systems -Odds & Evens

by:
1. Is z even? (1) z/2 is even. (2) 3z is even.

1 EXPERT REPLIES Wed Oct 16, 2013 11:30 am

by: Brent@GMATPrepNow View latest post

Number Systems -Odds & Evens

by:
Is the positive integer p even? (1) p^2 + p is even. (2) 4p + 2 is...

1 EXPERT REPLIES Wed Oct 16, 2013 11:21 am

by: Brent@GMATPrepNow View latest post

Number Systems -Odds & Evens

by:
If x and y are integers, is x (y+1) an even number? 1). x, and y are...

1 EXPERT REPLIES Wed Oct 16, 2013 10:57 am

by: Brent@GMATPrepNow View latest post

Number Systems -Odds & Evens

by:
If c and d are integers, is C even? 1). c(d+1) is even 2). (c+2)(d+4)...

1 EXPERT REPLIES Wed Oct 16, 2013 10:30 am

by: Brent@GMATPrepNow View latest post

Equations

by:
If there are x men and y women in a choir, and there are z more men...

3 EXPERT REPLIES Wed Oct 16, 2013 8:17 am

by: Brent@GMATPrepNow View latest post

Pls explain

by:
What is the positive integer n? (1) For every positive integer m, the...

4 EXPERT REPLIES Wed Oct 16, 2013 7:50 am

by: Brent@GMATPrepNow View latest post

Divisibility

by:
If p, x, and y are positive integers, y is odd, and p = x^2 + y^2, is...

1 Wed Oct 16, 2013 4:49 am

by: theCodeToGMAT View latest post

GMATPREP DS

by:
Hi Everyone, Can some one please tell me how the answer is A in this...

2 Wed Oct 16, 2013 3:17 am

by: mevicks View latest post

MGMAT test question

by:
For positive integer k, is the expression (k + 2)(k2 + 4k + 3)...

5 EXPERT REPLIES Wed Oct 16, 2013 2:54 am

by: lunarpower View latest post

Tough DS

by:
At what angle do lines y=Kx+B and y=Bx+K intersect ? (1) B+K=1 (2)...

3 EXPERT REPLIES Wed Oct 16, 2013 2:41 am

by: rakeshd347 View latest post

Number Systems

by:
For which of the following values of x is {1- ^1/2}^1/2 not defined...

4 EXPERT REPLIES Wed Oct 16, 2013 2:21 am

by: lunarpower View latest post

GMATPREP DS

by:
Please explain the answers

6 EXPERT REPLIES Wed Oct 16, 2013 2:16 am

by: mevicks View latest post

Help on a DS question

by:
Please provide explanation for this question.

2 EXPERT REPLIES Tue Oct 15, 2013 8:30 pm

by: srinivasapriyan.r View latest post

Number Systems

by:
On the number line shown , is zero halfway between r and s 1.s is to...

3 EXPERT REPLIES Tue Oct 15, 2013 3:50 pm

by: Mike@Magoosh View latest post

Divisiblity Difficulty

by:
For positive integer k, is the expression (k + 2)²(k² + 4k + 3)...

6 EXPERT REPLIES Tue Oct 15, 2013 3:43 pm

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

Number Systems

by:
If there are more than two numbers in certain list, is each of the...

1 EXPERT REPLIES Tue Oct 15, 2013 9:53 am

by: Mike@Magoosh View latest post

Number Systems

by:
For non-zero integers a, b, c and d, is ab/cd positive? (1) ad + bc =...

1 EXPERT REPLIES Tue Oct 15, 2013 9:29 am

by: Mike@Magoosh View latest post

Number Systems

by:
Symbol * denote to be one of the operations add, subtract, multiply,...

2 EXPERT REPLIES Tue Oct 15, 2013 9:23 am

by: Brent@GMATPrepNow View latest post

Number Systems

by:
The sum of positive integers x and y is 77. What is the value of xy?...

1 EXPERT REPLIES Tue Oct 15, 2013 9:14 am

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

Number Systems

by:
If the integer a and n are greater than 1 , and the product of first...

3 EXPERT REPLIES Tue Oct 15, 2013 9:03 am

by: Brent@GMATPrepNow View latest post

Number Systems

by:
For which of the following functions is f(a+b)=f(b)+f(a) for all...

1 EXPERT REPLIES Tue Oct 15, 2013 8:57 am

by: Brent@GMATPrepNow View latest post

Number Systems

by:
An integer greater than 1 that is not prime is called composite. If...

1 EXPERT REPLIES Tue Oct 15, 2013 8:46 am

by: Brent@GMATPrepNow View latest post

For what percent of those tested for a certain

by:
For what percent of those tested for a certain infection was the test...

3 EXPERT REPLIES Tue Oct 15, 2013 6:44 am

by: Brent@GMATPrepNow View latest post

time distance

by:
Reiko drove from point A to point B at a constant speed, and then...

2 Tue Oct 15, 2013 5:48 am

by: mevicks View latest post

Factors

by:
The positive integers x, y, and z are such that x is a factor of y...

2 EXPERT REPLIES Mon Oct 14, 2013 5:35 pm

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

Not clear on whts being asked

by:
If P is a set of integers and 3 is in P, is every positive multiple...

1 EXPERT REPLIES Mon Oct 14, 2013 5:29 pm

by: GMATGuruNY View latest post

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