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Data Sufficiency

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sum of factorial
by psm12se »
If n is a positive integer, what is the last digit of 1! + 2!+ .... +...
2
Last post by Uva@90
Thu Jan 02, 2014 7:01 am
Integer Properties
by topspin330 »
Can someone please help solve the following problem: If m = k · p,...
9
Last post by Brent@GMATPrepNow
Thu Jan 02, 2014 6:46 am
Is x<y?
by smrithi.gopal »
Is x< y? (1) Z<Y (2) Z<X Can anyone help me to understand...
1
Last post by Brent@GMATPrepNow
Mon Dec 30, 2013 7:05 am
Inequality
by pareekbharat86 »
If 'a' not equal to 0, is 1/a> a/(b^4+3)? 1. a^2=b^2 2. a^2=b^4...
2
Last post by ceilidh.erickson
Sun Dec 29, 2013 10:53 am
the difference in the probability
by sanju09 »
Mycroft has a bag that only contains few red, blue, and green nuggets...
3
Last post by theCodeToGMAT
Sat Dec 28, 2013 8:26 am
tenth digit in decimal representation
by kulksnikhil »
In the decimal representation of x, where 0< x< 1, is the...
11
Last post by Stuart@KaplanGMAT
Sat Dec 28, 2013 1:22 am
GMAT Math
by nil_986 »
Is 12**66* divisible by 564 ? {Here * can be any digit but not the...
4
Last post by sanju09
Fri Dec 27, 2013 2:04 am
To find the average speed
by gmattesttaker2 »
Hello, Can you please assist with this: If it took a sports car and a...
6
Last post by gmattesttaker2
Tue Dec 24, 2013 10:58 am
is rst 1?
by kobel51 »
Is rst=1 ? 1) rs=1 2) st=1 how do you evaluate the statements...
4
Last post by Patrick_GMATFix
Tue Dec 24, 2013 2:32 am
What is the remainder?
by gmattesttaker2 »
Hello, Can you please assist with this: If r is the remainder of...
5
Last post by gmattesttaker2
Mon Dec 23, 2013 10:18 pm
What is the value of x - y ?
by gmattesttaker2 »
Hello, Can you please assist with this: If x > y > 0, what is...
2
Last post by gmattesttaker2
Mon Dec 23, 2013 8:46 pm
Probability of Pulling out a blue marble exactly 3 times
by Mustcrackgmat »
A jar contains marbles of several different colors. Some marbles are...
4
Last post by Mustcrackgmat
Mon Dec 23, 2013 8:18 am
Is the term odd?
by gmattesttaker2 »
Hello, Can you please assist with this: In a sequence X1, X2,...
2
Last post by Brent@GMATPrepNow
Mon Dec 23, 2013 6:33 am
Is a positive?
by sanju09 »
Is a positive? (1) |1 - a | = 5. (2) a^2 - 2a -...
1
Last post by theCodeToGMAT
Mon Dec 23, 2013 4:48 am
quadratic inequalities
by meh »
4 - (x^2) ≥ 0 Way to do it... -1( (x^2) - 4 ) ≥ 0 (x^2) -...
1
Last post by theCodeToGMAT
Mon Dec 23, 2013 4:40 am
Amount spent on clothing?
by gmattesttaker2 »
Hello, Can you please assist with this: What number of dollars did...
1
Last post by Uva@90
Sun Dec 22, 2013 11:31 pm
Club members at least 35yrs old
by kobel51 »
What is the number of members of Club X who are at least 35 years of...
2
Last post by Stuart@KaplanGMAT
Sat Dec 21, 2013 7:25 pm
Three equations, three variables
by Mustcrackgmat »
Is wxy equal to -1? (1) w, x, and y are all negative. (2) w + x + y =...
2
Last post by Brent@GMATPrepNow
Sat Dec 21, 2013 6:28 am
Chocolate and toffee
by Sak32 »
Rasheed bought two kinds of candy bars, chocolate and toffee, that...
1
Last post by GMATGuruNY
Sat Dec 21, 2013 6:13 am
Number Line Data Sufficiency
by Mustcrackgmat »
A---B---C---D In the figure above, is CD > BC ? (1) AD = 20 (2) AB...
3
Last post by Stuart@KaplanGMAT
Fri Dec 20, 2013 11:18 pm
r and s are nonzero integers
by kobel51 »
If r and s are nonzero integers, is r/s an integer? 1) r-1 =...
3
Last post by sanju09
Fri Dec 20, 2013 9:57 pm
A group of five friends have $87 dollars between them.
by Mike@Magoosh »
A group of five friends have $87 dollars between them. Each one only...
4
Last post by Gaj81
Fri Dec 20, 2013 8:27 pm
which quadrant has point (a b)
by kobel51 »
quadrant I - top right ........II - top left .......III - bottom left...
1
Last post by Patrick_GMATFix
Fri Dec 20, 2013 6:41 pm
Pasta
by Sak32 »
Malik's recipe for 4 servings of a certain dish requires 3/2 cups of...
1
Last post by Patrick_GMATFix
Fri Dec 20, 2013 6:26 pm
Candy bars
by Sak32 »
Rasheed bought two kinds of candy bars, chocolate and toffee, that...
1
Last post by ceilidh.erickson
Fri Dec 20, 2013 1:39 pm
Resolution K female voters
by kobel51 »
Of the 4800 voters who voted for or against Resolution K, 1800 were...
3
Last post by Brent@GMATPrepNow
Fri Dec 20, 2013 8:18 am
Older people employed
by kobel51 »
Are at least 10 percent of the people in Country X who are 65 years...
2
Last post by Brent@GMATPrepNow
Fri Dec 20, 2013 7:28 am
Interesting question - arithmetic and stats
by mikepamlyla »
Any help here would be appreciated. This question is fairly...
5
Last post by Brent@GMATPrepNow
Fri Dec 20, 2013 6:38 am
Data Sufficiency Qs
by yumi2012 »
James, Sam, Kim and Clark are brothers. Who is the oldest? A) James...
1
Last post by Stuart@KaplanGMAT
Fri Dec 20, 2013 12:42 am
Inequality- MGMAT
by buoyant »
If abc ≠ 0, is a < b < c ? (1) 1/c < 1/b < 1/a (2)...
1
Last post by GMATGuruNY
Wed Dec 18, 2013 3:47 pm
Mean question (pun not intended)
by mikepamlyla »
This was tricky and OG solution was very imaginative.
2
Last post by theCodeToGMAT
Wed Dec 18, 2013 9:17 am
Median question
by mikepamlyla »
Having trouble with this one...
3
Last post by GMATGuruNY
Wed Dec 18, 2013 6:46 am
Coordinate plane- didnt understand the question
by Divya Ann Chacko »
In the xy palne region R conssits of all the points (x.y) such that...
3
Last post by GMATGuruNY
Wed Dec 18, 2013 6:17 am
Houseful Furniture House
by sanju09 »
Bradley buys few tables and chairs from Houseful Furniture House for...
1
Last post by theCodeToGMAT
Wed Dec 18, 2013 12:53 am
Factors
by kop »
Is P divisible by 168?? 1) p is divisible by 14 2) p is divisible by...
3
Last post by Brent@GMATPrepNow
Tue Dec 17, 2013 7:16 am
Michel’s Bugatti Veyron
by sanju09 »
What had been the average speed of Michel's Bugatti Veyron...
6
Last post by sanju09
Tue Dec 17, 2013 12:01 am
Is X a prime integer?
by vinni.k »
Is X a prime integer? (1) x! is not divisible by 5 (2) |x|! is...
2
Last post by vinni.k
Mon Dec 16, 2013 8:49 am
gmat prep Q
by navalpike »
Is the average (arithmetic mean) of 5 different positive integers at...
7
Last post by amyhussein
Mon Dec 16, 2013 7:49 am
Absolute value x and y
by josh80 »
Is Ix-yI > IxI - IyI? 1) y < x 2) xy < 0 OA B
1
Last post by GMATGuruNY
Mon Dec 16, 2013 5:45 am
find angle x
by josh80 »
1
Last post by GMATGuruNY
Mon Dec 16, 2013 5:42 am
Percent, speed distance time
by josh80 »
During a 40 mile trip, Marla traveled at an average speed of x mph...
2
Last post by GMATGuruNY
Mon Dec 16, 2013 5:03 am
2 investments.
by josh80 »
Linda put an amount of money into each of two new investments, that...
1
Last post by GMATGuruNY
Mon Dec 16, 2013 12:02 am
line k in xy-plane
by josh80 »
In the xy-plane, the line k passes through the origin and through...
1
Last post by Stuart@KaplanGMAT
Sun Dec 15, 2013 6:46 pm
Square inscribed within a circle
by pareekbharat86 »
If the vertices of quadrilateral PQRS lie on the circumference of a...
1
Last post by Stuart@KaplanGMAT
Sun Dec 15, 2013 6:39 pm
xy-plane, point of intersection?
by josh80 »
In the xy-plane, at what 2 points does the graph of y = (x+a)(x+b)...
1
Last post by Brent@GMATPrepNow
Sun Dec 15, 2013 4:00 pm
balls and probability
by josh80 »
Each of the 25 balls in a certain box is either red, blue or white...
1
Last post by Brent@GMATPrepNow
Sun Dec 15, 2013 3:56 pm
Confusing DS question
by rishianand7 »
Allison always leaves her office at 5.00pm and reaches her hotel in...
3
Last post by shankar245
Sun Dec 15, 2013 3:19 pm
DS: reciprocal of a prime number
by psm12se »
Set A consist of 10 terms, each of which is a reciprocal of a prime...
1
Last post by Brent@GMATPrepNow
Sun Dec 15, 2013 7:10 am
greater than
by Ankitaverma »
If d is a positive integer, is d^1/2 greater than 15? (1) d is...
2
Last post by sanju09
Sun Dec 15, 2013 12:02 am
x > 0?
by josh80 »
If ax+b = 0, is x > 0? 1) a+b > 0 2) a-b > 0
3
Last post by GMATGuruNY
Fri Dec 13, 2013 4:52 am