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Data Sufficiency

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If a certain seamstress in a garment shope made \(65\) coats, what percent of the shop's total output of coats did she
by BTGmoderatorLU »
Source: Princeton Review If a certain seamstress in a garment shop...
0
Last post by BTGmoderatorLU
Wed Mar 02, 2022 2:44 am
How many phone calls were received by Company C between 10:00 a.m. and 11:00 a.m. on a certain day?
by BTGmoderatorDC »
How many phone calls were received by Company C between 10:00 a.m....
0
Last post by BTGmoderatorDC
Tue Mar 01, 2022 7:50 pm
In a class of 30 students, Emma secured the third rank among the girls, while her brother Ben studying in the same class
by AAPL »
Magoosh In a class of 30 students, Emma secured the third rank among...
0
Last post by AAPL
Tue Mar 01, 2022 6:58 pm
In the rectangle above, A is the midpoint of the side, and BC = CD = DE. What is the area of the rectangle?
by BTGmoderatorDC »
Geomtery_Median_DS.JPG In the rectangle above, A is the midpoint of...
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Last post by BTGmoderatorDC
Mon Feb 28, 2022 6:13 pm
What is the ratio of x:y:z given xyz not equal to 0?
by BTGmoderatorDC »
What is the ratio of x:y:z given xyz not equal to 0? (1) x + y = 2z...
0
Last post by BTGmoderatorDC
Sat Feb 26, 2022 6:18 pm
What is the sum of a certain pair of consecutive odd integers?
by M7MBA »
What is the sum of a certain pair of consecutive odd integers? (1) At...
1
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Last post by Brent@GMATPrepNow
Sat Feb 26, 2022 6:04 am
If n and a are positive integers, what is the units digit of
by BTGmoderatorDC »
If n and a are positive integers, what is the units digit of n^(4a+2)...
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Last post by BTGmoderatorDC
Fri Feb 25, 2022 6:56 pm
Is \(zp\) negative?
by Gmat_mission »
Is \(zp\) negative? (1) \(pz^4 < 0\) (2) \(p + z^4 = 14\) Answer:...
1
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Last post by Brent@GMATPrepNow
Thu Feb 24, 2022 12:13 pm
In the figure above, SQRE is a square and AB = AC. Is the area of triangle ABC greater than the area of square SQRE?
by BTGmoderatorLU »
Source: Manhattan Prep Capture (2).PNG In the figure above, SQRE is...
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Last post by BTGmoderatorLU
Thu Feb 24, 2022 10:45 am
If \(r\) and \(s\) are positive integers, is \(r + s\) even?
by Vincen »
If \(r\) and \(s\) are positive integers, is \(r + s\) even? (1)...
1
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Last post by Brent@GMATPrepNow
Thu Feb 24, 2022 8:06 am
On the number line, the distance between point A and point C is 5 and the distance between point B and point C is 20.
by BTGmoderatorDC »
On the number line, the distance between point A and point C is 5 and...
0
Last post by BTGmoderatorDC
Wed Feb 23, 2022 5:13 pm
If the average (arithmetic mean) of \(n\) consecutive odd integers is \(10,\) what is the least of the integers?
by Gmat_mission »
If the average (arithmetic mean) of \(n\) consecutive odd integers is...
0
Last post by Gmat_mission
Wed Feb 23, 2022 8:57 am
\(a\) and \(b\) are positive integers such that they do not have any common prime factor. What is the remainder when the
by Gmat_mission »
\(a\) and \(b\) are positive integers such that they do not have any...
0
Last post by Gmat_mission
Wed Feb 23, 2022 8:53 am
Lists \(S\) and \(T\) consist of the same number of positive integers. Is the median of the integers in \(S\) greater
by Gmat_mission »
Lists \(S\) and \(T\) consist of the same number of positive...
0
Last post by Gmat_mission
Wed Feb 23, 2022 8:50 am
If \(x\) is an integer, is \(\dfrac{x}{y}\) an integer?
by Gmat_mission »
If \(x\) is an integer, is \(\dfrac{x}{y}\) an integer? (1)...
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Last post by Gmat_mission
Wed Feb 23, 2022 8:48 am
Is \(y^3 \le |y|?\)
by Gmat_mission »
Is \(y^3 \le |y|?\) (1) \(y < 1\) (2) \(y < 0\) Answer: D...
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Last post by Gmat_mission
Wed Feb 23, 2022 8:42 am
If \(a\) and \(b\) are positive integers, what is the greatest common divisor of \(a\) and \(b?\)
by Gmat_mission »
If \(a\) and \(b\) are positive integers, what is the greatest common...
0
Last post by Gmat_mission
Wed Feb 23, 2022 8:40 am
If \(xy \ne 0,\) is \(x^3 + y^3 > 0?\)
by M7MBA »
If \(xy \ne 0,\) is \(x^3 + y^3 > 0?\) (1) \(x + y > 0\) (2)...
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Last post by M7MBA
Wed Feb 23, 2022 8:28 am
If \(x\) is a positive integer greater than \(1,\) is \(x\) a prime number?
by M7MBA »
If \(x\) is a positive integer greater than \(1,\) is \(x\) a prime...
0
Last post by M7MBA
Wed Feb 23, 2022 8:22 am
Is \(x = y ?\)
by M7MBA »
Is \(x = y ?\) (1) \(\dfrac{2x}3-\dfrac{y}3=\dfrac13\) (2)...
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Last post by M7MBA
Wed Feb 23, 2022 4:36 am
A certain list, \(L,\) contains a total of \(n\) numbers, not necessarily distinct, that are arranged in increasing orde
by VJesus12 »
A certain list, \(L,\) contains a total of \(n\) numbers, not...
0
Last post by VJesus12
Wed Feb 23, 2022 4:33 am
If \(x, y,\) and \(n\) are positive integers, is \(\left(\dfrac{x}{y}\right)^n\) greater than \(1,000 ?\)
by VJesus12 »
If \(x, y,\) and \(n\) are positive integers, is...
0
Last post by VJesus12
Wed Feb 23, 2022 4:30 am
The research funds of a certain company were divided among three departments, \(X, Y,\) and \(Z.\) Which one of the
by VJesus12 »
The research funds of a certain company were divided among three...
0
Last post by VJesus12
Wed Feb 23, 2022 4:26 am
If \(ab \ne 0\) and \(a + b \ne 0,\) is \(\dfrac1{a+b}< \dfrac1{a} + \dfrac1{b} ?\)
by VJesus12 »
If \(ab \ne 0\) and \(a + b \ne 0,\) is \(\dfrac1{a+b}< \dfrac1{a}...
0
Last post by VJesus12
Wed Feb 23, 2022 4:21 am
The function \(f\) is defined for all positive integers \(n > 4\) as \(f(n) = 3n - 9\) if \(n\) is odd and
by VJesus12 »
The function \(f\) is defined for all positive integers \(n > 4\)...
0
Last post by VJesus12
Wed Feb 23, 2022 4:16 am
If \(x,\) \(y,\) and \(z\) are integers, with \(x<y<z,\) what is the average (arithmetic mean) of \(x, y,\) and \(z?\)
by VJesus12 »
If \(x,\) \(y,\) and \(z\) are integers, with \(x<y<z,\) what...
0
Last post by VJesus12
Wed Feb 23, 2022 4:11 am
Is the range of the integers \(6, 3, y, 4, 5,\) and \(x\) greater than \(9?\)
by Vincen »
Is the range of the integers \(6, 3, y, 4, 5,\) and \(x\) greater...
0
Last post by Vincen
Wed Feb 23, 2022 4:07 am
Company R's annual profit has increased by a constant amount each calendar year since 1985. What was Company R's annual
by Vincen »
Company R's annual profit has increased by a constant amount each...
0
Last post by Vincen
Wed Feb 23, 2022 3:55 am
\(x,y\) are positive integers. Find the number of even factors of \(4x^2.\)
by Vincen »
\(x,y\) are positive integers. Find the number of even factors of...
0
Last post by Vincen
Wed Feb 23, 2022 3:51 am
If for all positive integers x and y, y > x, then is y!/x! even?
by BTGmoderatorDC »
If for all positive integers x and y, y > x, then is y!/x! even?...
0
Last post by BTGmoderatorDC
Tue Feb 22, 2022 10:49 pm
Is x to the right of -5 on the number line?
by BTGmoderatorDC »
Is x to the right of -5 on the number line? (1) x is to the right of...
1
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Last post by Brent@GMATPrepNow
Tue Feb 22, 2022 7:10 am
OG 16: DS 137
by besos »
Can someone help me understand why the answer is A? 137. In the...
3
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Last post by Brent@GMATPrepNow
Mon Feb 21, 2022 4:58 pm
Hypothetical change on OG 2015 #102
by infiniti007 »
What is the number of cans that can be packed in a certain carton?...
4
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Last post by gmatbyexample
Mon Feb 21, 2022 1:40 pm
Let S be a finite set of consecutive multiples of 7. How many terms are there in S? (1) The sum of the terms in set S
by BTGmoderatorDC »
Let S be a finite set of consecutive multiples of 7. How many terms...
0
Last post by BTGmoderatorDC
Sat Feb 19, 2022 7:36 pm
Line \(L\) is a line in the \(xy\)-plane. Does line \(L\) pass through the second quadrant?
by BTGmoderatorLU »
Source: Magoosh Line L is a line in the \(xy\)-plane. Does line...
0
Last post by BTGmoderatorLU
Sat Feb 19, 2022 5:58 pm
In a card game named Allemande, each of four players has a hand of 8 cards from a standard deck of 52. Through a series
by BTGmoderatorLU »
Source: Magoosh In a card game named Allemande, each of four players...
0
Last post by BTGmoderatorLU
Sat Feb 19, 2022 5:47 pm
Every man in a certain class either belongs to group A, belongs to group B, or belongs to both groups. 20% of group A
by BTGmoderatorDC »
Every man in a certain class either belongs to group A, belongs to...
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Last post by BTGmoderatorDC
Wed Feb 16, 2022 6:03 pm
At the beginning of last month, a stationery store had in stock 250 writing pads, which had cost the store $0.75 each.
by VJesus12 »
At the beginning of last month, a stationery store had in stock 250...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Tue Feb 15, 2022 3:39 pm
Two chocolates need to be picked from a box with replacement. if all the chocolates in the box are wrapped in either
by BTGmoderatorDC »
Two chocolates need to be picked from a box with replacement. if all...
0
Last post by BTGmoderatorDC
Mon Feb 14, 2022 5:05 pm
Of the four numbers represented on the number line above, is \(r\) closest to zero?
by Vincen »
Number line.jpg Of the four numbers represented on the number line...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Feb 14, 2022 7:47 am
Is x greater than y?
by BTGmoderatorDC »
Is x greater than y? (1) x > 2y (2) x - y > 0 OA B Source:...
1
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Last post by Brent@GMATPrepNow
Mon Feb 14, 2022 7:44 am
If m is a positive odd integer between 2 and 30, then m is divisible by how many different positive prime numbers?
by AAPL »
GMAT Prep If m is a positive odd integer between 2 and 30, then m is...
0
Last post by AAPL
Mon Feb 14, 2022 4:35 am
Is the percent of the white collar employees employed at LampCo who are under 35 years old greater than the percent of
by BTGmoderatorDC »
Is the percent of the white collar employees employed at LampCo who...
0
Last post by BTGmoderatorDC
Sun Feb 13, 2022 5:10 pm
OG L-shaped garden
by AbeNeedsAnswers »
The figure above represents an L-shaped garden. What is the value of...
4
EXPERT REPLIES
Last post by gmatbyexample
Sun Feb 13, 2022 2:02 pm
If \(x, y,\) and \(z\) are three positive consecutive odd integers, what is the value of \(x + y + z?\)
by Gmat_mission »
If \(x, y,\) and \(z\) are three positive consecutive odd integers,...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Feb 12, 2022 6:30 am
Cathy was born less than 10 years ago and Karen is at least 22 years older than Cathy. How old is Karen?
by BTGmoderatorDC »
Cathy was born less than 10 years ago and Karen is at least 22 years...
0
Last post by BTGmoderatorDC
Fri Feb 11, 2022 4:08 pm
Point \((P, Q)\) is in the coordinate plane. Is \(P > Q?\)
by Gmat_mission »
Point \((P, Q)\) is in the coordinate plane. Is \(P > Q?\) (1)...
0
Last post by Gmat_mission
Fri Feb 11, 2022 8:46 am
Is quadrilateral \(ABCD\) a square?
by Gmat_mission »
Is quadrilateral \(ABCD\) a square? (1) \(AB = BC = CD = DA\) (2)...
0
Last post by Gmat_mission
Fri Feb 11, 2022 8:40 am
If \(x\) and \(y\) are positive, is \(81^3=27^{y-x}?\)
by Gmat_mission »
If \(x\) and \(y\) are positive, is \(81^3=27^{y-x}?\) (1)...
0
Last post by Gmat_mission
Fri Feb 11, 2022 8:36 am
The price of a certain property increased by \(10\%\) in the first year, decreased by \(20\%\) in the second year, and
by Gmat_mission »
The price of a certain property increased by \(10\%\) in the first...
0
Last post by Gmat_mission
Fri Feb 11, 2022 8:26 am