Data Sufficiency

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
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Last post by beatthegmat
Wed Sep 20, 2017 9:23 am
Lines $$P, Q$$ and $$R$$ are parallel to each other. Is the slope of the line $$P$$ positive?
by VJesus12 »
Lines $$P, Q$$ and $$R$$ are parallel to each other. Is the slope of...
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Last post by VJesus12
Thu May 13, 2021 7:10 am
$$A, B, C,$$ and $$D$$ are distinct points on a plane. If triangle $$ABC$$ is right-angled and $$BD$$ is the height of
by VJesus12 »
$$A, B, C,$$ and $$D$$ are distinct points on a plane. If triangle...
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Last post by VJesus12
Thu May 13, 2021 7:07 am
In the figure above, what is the perimeter of rectangle $$ABPQ?$$
by VJesus12 »
Untitled.png In the figure above, what is the perimeter of rectangle...
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Last post by VJesus12
Thu May 13, 2021 7:04 am
If $$r$$ and $$s$$ are positive integers, is $$\dfrac{r}{s}$$ an integer?
by VJesus12 »
If $$r$$ and $$s$$ are positive integers, is $$\dfrac{r}{s}$$ an...
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Last post by VJesus12
Thu May 13, 2021 6:58 am
If $$x$$ and $$y$$ are integers and $$x<y,$$ what is the value of $$x+y?$$
by VJesus12 »
If $$x$$ and $$y$$ are integers and $$x<y,$$ what is the value of...
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Last post by VJesus12
Thu May 13, 2021 6:53 am
The numbers of books read by $$7$$ students last year were $$10, 5, p , q , r , 29$$ and $$20.$$ What was the range of
by VJesus12 »
The numbers of books read by $$7$$ students last year were $$10, 5, p... 0 Last post by VJesus12 Thu May 13, 2021 6:50 am If the average of four distinct positive integers is \(60,$$ how many integers of these four are less than $$50?$$
by VJesus12 »
If the average of four distinct positive integers is $$60,$$ how many...
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Last post by VJesus12
Thu May 13, 2021 6:46 am
Is $$x$$ a multiple of $$72?$$
by VJesus12 »
Is $$x$$ a multiple of $$72?$$ (1) $$x$$ is a multiple of $$16.$$ (2)...
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Last post by VJesus12
Thu May 13, 2021 6:39 am
Is the product of a positive and a negative integer less than $$-10?$$
by VJesus12 »
Is the product of a positive and a negative integer less than...
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Last post by VJesus12
Thu May 13, 2021 6:37 am
Lines $$k$$ and $$l$$ intersect in the coordinate plane at point $$(3, -2).$$ Is the largest angle formed at the interse
by VJesus12 »
Lines $$k$$ and $$l$$ intersect in the coordinate plane at point...
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Last post by VJesus12
Thu May 13, 2021 6:33 am
If $$x$$ and $$y$$ are integers, is $$xy$$ even?
by VJesus12 »
If $$x$$ and $$y$$ are integers, is $$xy$$ even? (1) $$x = y + 1.$$...
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Last post by VJesus12
Thu May 13, 2021 6:28 am
If $$a$$ and $$b$$ are positive integers divisible by $$6,$$ is $$6$$ the greatest common divisor of $$a$$ and $$b?$$
by Vincen »
If $$a$$ and $$b$$ are positive integers divisible by $$6,$$ is $$6$$...
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Last post by Vincen
Thu May 13, 2021 6:25 am
Is the product $$abcd$$ even?
by Vincen »
Is the product $$abcd$$ even? (1) $$a^2+b^2+c^2+d^2=0$$ (2) $$a = b =... 0 Last post by Vincen Thu May 13, 2021 6:14 am Is \(a\cdot b\cdot c$$ divisible by $$24?$$
by Vincen »
Is $$a\cdot b\cdot c$$ divisible by $$24?$$ (1) $$a, b,$$ and $$c$$...
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Last post by Vincen
Thu May 13, 2021 6:11 am
Is $$|3m-n|+|m-2n|>|4m-3n|?$$
by Vincen »
Is $$|3m-n|+|m-2n|>|4m-3n|?$$ (1) $$m>0$$ (2) $$2n<m$$...
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Last post by Vincen
Thu May 13, 2021 6:06 am
How many positive prime numbers are less than the integer $$n?$$
by Vincen »
How many positive prime numbers are less than the integer $$n?$$ (1)...
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Last post by Vincen
Thu May 13, 2021 6:04 am
If $$x$$ and $$y$$ are integers and $$x > 0,$$ is $$y > 0?$$
by Vincen »
If $$x$$ and $$y$$ are integers and $$x > 0,$$ is $$y > 0?$$...
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Last post by Vincen
Thu May 13, 2021 6:02 am
If $$x$$ and $$y$$ are positive integers, is $$\dfrac{x}{y}$$ a terminating decimal?
by Vincen »
If $$x$$ and $$y$$ are positive integers, is $$\dfrac{x}{y}$$ a...
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Last post by Vincen
Thu May 13, 2021 5:59 am
What is the retail price of a certain calculator?
by Vincen »
What is the retail price of a certain calculator? (1) The retail...
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Last post by Vincen
Thu May 13, 2021 5:55 am
The positive integer $$k$$ has exactly two positive prime factors $$3$$ and $$7.$$ If $$k$$ has a total of $$6$$ positiv
by Vincen »
The positive integer $$k$$ has exactly two positive prime factors...
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Last post by Vincen
Thu May 13, 2021 5:53 am
If $$pq \ne 0,$$ is $$p^2q > pq^2?$$
by Vincen »
If $$pq \ne 0,$$ is $$p^2q > pq^2?$$ (1) $$pq < 0$$ (2) $$p... 0 Last post by Vincen Thu May 13, 2021 5:49 am A triangle has side lengths of a, b, and c centimeters. Does each angle in the triangle measure less than 90 degrees? by AAPL » Official Guide A triangle has side lengths of a, b, and c... 0 Last post by AAPL Thu May 13, 2021 5:46 am If \(a$$ and $$b$$ are positive integers, what is the remainder when $$ab$$ is divided by $$40?$$
by Vincen »
If $$a$$ and $$b$$ are positive integers, what is the remainder when...
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Last post by Vincen
Thu May 13, 2021 5:44 am
Is the average (arithmetic mean) of 5 different positive integers at least 30?
by Vincen »
Is the average (arithmetic mean) of 5 different positive integers at...
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Last post by Vincen
Thu May 13, 2021 5:41 am
Is $$\dfrac{3x + 8}{x + 2}$$ an integer?
by Vincen »
Is $$\dfrac{3x + 8}{x + 2}$$ an integer? (1) $$x$$ is an integer. (2)...
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Last post by Vincen
Thu May 13, 2021 5:36 am
If $$k$$ is a positive integer, is $$k$$ the square of an integer?
by Vincen »
If $$k$$ is a positive integer, is $$k$$ the square of an integer?...
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Last post by Vincen
Thu May 13, 2021 5:34 am
At what speed was a train traveling on a trip when it had completed half of the total distance of the trip?
by Gmat_mission »
At what speed was a train traveling on a trip when it had completed...
1
Last post by [email protected]
Thu May 13, 2021 5:32 am
What is the positive integer $$n?$$
by Vincen »
What is the positive integer $$n?$$ (1) The sum of all of the...
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Last post by Vincen
Thu May 13, 2021 5:31 am
Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets....
by Vincen »
Last year in a group of 30 businesses, 21 reported a net profit and...
1
Last post by [email protected]
Thu May 13, 2021 5:30 am
On a certain nonstop trip, Marta averaged x miles per hour for 2 hours and y miles per hour for the remaining 3 hours.
by AAPL »
Official Guide On a certain nonstop trip, Marta averaged x miles per...
1
Last post by [email protected]
Thu May 13, 2021 5:22 am
In the figure above, two rectangular solids share a vertex S. P, Q, and R are all vertices of the smaller rectangular...
by BTGmoderatorLU »
Source: Princeton Review Capture1.JPG In the figure above, two...
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Last post by BTGmoderatorLU
Wed May 12, 2021 10:08 am
GMAT Official Guide 2019 If xy â‰  0, is
by BTGmoderatorDC »
If xy â‰  0, is x^3 + y^3 > 0 ? (1) x + y > 0 (2) xy > 0
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Last post by [email protected]
Wed May 12, 2021 8:21 am
At the beginning of the year, the Finance Committee and the
by BTGmoderatorDC »
At the beginning of the year, the Finance Committee and the Planning...
2
Last post by [email protected]
Wed May 12, 2021 8:19 am
Is zp negative?
by jjjinapinch »
Is zp negative? (1) p(z^4) < 0 (2) p + (z^4) = 14 Official Guide...
2
Last post by [email protected]
Wed May 12, 2021 8:17 am
Three roommates-Bela, Gyorgy, and Janos-together saved m
Three roommates-Bela, Gyorgy, and Janos-together saved...
2
Last post by [email protected]
Wed May 12, 2021 8:15 am
A conveyor belt moves bottles at a constant speed of 120
by BTGmoderatorLU »
Source: Official Guide A conveyor belt moves bottles at a constant...
3
Last post by [email protected]
Wed May 12, 2021 8:12 am
If a and b are constants, is the expression
If a and b are constants, is the expression (x+b)/(âˆš(x+a))...
4
Last post by [email protected]
Wed May 12, 2021 8:10 am
GMAT Official Guide 2019 Is the sum of the prices of the
by BTGmoderatorDC »
Is the sum of the prices of the 3 books that Shana bought less than...
2
Last post by [email protected]
Wed May 12, 2021 8:07 am
If n is an integer, is (0.1)^n greater than
by jjjinapinch »
If n is an integer, is (0.1)^n greater than (10)^n? (1) n > -10...
3
Last post by [email protected]
Wed May 12, 2021 7:57 am
In the figure above, PQRT is a rectangle. What is the length
In the figure above, PQRT is a rectangle. What is the length of...
3
Last post by [email protected]
Wed May 12, 2021 7:52 am
If x and y are the lengths of the legs of a right triangle, what is the value of xy ?
by BTGModeratorVI »
If x and y are the lengths of the legs of a right triangle, what is...
3
Last post by [email protected]
Wed May 12, 2021 7:50 am
A noncompressible ball in the shape of a sphere is to be
by swerve »
A noncompressible ball in the shape of a sphere is to be passed...
3
Last post by [email protected]
Wed May 12, 2021 7:48 am
The figure above represents a box that has the shape of a
The figure above represents a box that has the shape of a cube. What...
4
Last post by [email protected]
Wed May 12, 2021 7:38 am
In the figure above, what is the area of region PQRST ?
In the figure above, what is the area of region PQRST ? (1) PQ = RS...
2
Last post by [email protected]
Wed May 12, 2021 7:34 am
If, in the figure above, ABCD is a rectangular region
If, in the figure above, ABCD is a rectangular region, what is the...
2
Last post by [email protected]
Wed May 12, 2021 7:31 am
A six-sided mosaic contains 24 triangular pieces of tile
A six-sided mosaic contains 24 triangular pieces of tile of the same...
3
Last post by [email protected]
Wed May 12, 2021 7:29 am
Is the point Q on the circle with center C ?
Is the point Q on the circle with center C ? (1) R is a point on the...
2
Last post by [email protected]
Wed May 12, 2021 7:26 am
In a sequence of numbers in which each term is two more than the preceding term, what is the fourth term?
by BTGModeratorVI »
In a sequence of numbers in which each term is two more than the...
2
Last post by [email protected]
Wed May 12, 2021 6:29 am
If a school district paid a total of $35 per desk for x desk by AbeNeedsAnswers » If a school district paid a total of$35 per desk for x desks and a...
3
Last post by [email protected]
Wed May 12, 2021 6:25 am
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