Data Sufficiency

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
1
Last post by Debojiteo
Sat Oct 02, 2021 10:21 pm
Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account
by BTGmoderatorDC »
Beth's bank charges a service fee on a regular checking account for...
0
Last post by BTGmoderatorDC
Mon Dec 06, 2021 6:33 pm
What is the value of x ?
by BTGmoderatorDC »
What is the value of x ? (1) y - x = y - 6 (2) x + 2y = 10 OA A...
1
Last post by [email protected]
Mon Dec 06, 2021 6:34 am
The sequence of four numbers $$a_1, a_2, a_3$$ and $$a_4$$ is such that each number after the first is $$a_1-1$$ greater
by Vincen »
The sequence of four numbers $$a_1, a_2, a_3$$ and $$a_4$$ is such...
1
Last post by [email protected]
Sun Dec 05, 2021 6:42 am
Is the integer $$n$$ even?
by Vincen »
Is the integer $$n$$ even? (1) $$n - 5$$ is an odd integer. (2)...
1
Last post by [email protected]
Sun Dec 05, 2021 6:29 am
If $$x$$ represents the number of positive factors of integer $$y,$$ is $$x$$ odd?
by Vincen »
If $$x$$ represents the number of positive factors of integer $$y,$$...
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Last post by Vincen
Sat Dec 04, 2021 2:06 pm
If $$pq\ne 0,$$ is $$p^2q > pq^2?$$
by Vincen »
If $$pq\ne 0,$$ is $$p^2q > pq^2?$$ (1) $$pq<0$$ (2) $$p<0$$...
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Last post by Vincen
Sat Dec 04, 2021 1:56 pm
Is $$x^2-y^2>0?$$
by Vincen »
Is $$x^2-y^2>0?$$ (1) $$x^2-y^2>x-y$$ (2) $$x^2- y^2<x+y$$...
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Last post by Vincen
Sat Dec 04, 2021 7:46 am
On Monday a store had a sale on bottles of juice $$S$$ and juice $$T.$$ If $$\dfrac12$$ the total number of bottles of
by Vincen »
On Monday a store had a sale on bottles of juice $$S$$ and juice...
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Last post by Vincen
Sat Dec 04, 2021 7:31 am
30 people in total attended an office party for a colleague's birthday. The birthday cake was sliced into exactly 32
by BTGmoderatorDC »
30 people in total attended an office party for a colleague's...
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Last post by BTGmoderatorDC
Sat Dec 04, 2021 6:10 am
In 2005, did Company A have more than twice the number of employees as did Company B?
by AAPL »
Princeton Review In 2005, did Company A have more than twice the...
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Last post by AAPL
Fri Dec 03, 2021 9:46 am
If on a fishing trip Jim and Tom each caught some fish, which one caught more fish?
by Gmat_mission »
If on a fishing trip Jim and Tom each caught some fish, which one...
2
Last post by [email protected]
Fri Dec 03, 2021 7:31 am
A store received 7 crates of oranges. What was the standard deviation of the numbers of oranges in the 7 crates?
by Vincen »
A store received 7 crates of oranges. What was the standard deviation...
2
Last post by [email protected]
Fri Dec 03, 2021 6:37 am
If $$|x-y|=y,$$ what is the value of $$x?$$
by Vincen »
If $$|x-y|=y,$$ what is the value of $$x?$$ (1) $$xy>0$$ (2)...
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Last post by Vincen
Thu Dec 02, 2021 8:31 am
In a certain garden, there are only two types of flowers, Roses, and Lilies. Of the 90 women, surveyed, how many like
by Vincen »
In a certain garden, there are only two types of flowers, Roses, and...
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Last post by Vincen
Thu Dec 02, 2021 8:28 am
Steve works at an apple orchard and is paid by bushel for the apples he harvests each day. For the first 42 bushels
by BTGmoderatorLU »
Source: Veritas Prep Steve works at an apple orchard and is paid by...
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Last post by BTGmoderatorLU
Thu Dec 02, 2021 8:28 am
If $$a, b, c,$$ and $$d$$ are positive integers is $$\dfrac{a-b}{c-d}<-1?$$
by Vincen »
If $$a, b, c,$$ and $$d$$ are positive integers is...
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Last post by Vincen
Thu Dec 02, 2021 8:26 am
A school has a students and b teachers. If a < 150, b < 25, and classes have a maximum of 15 students, can the a student
by BTGmoderatorDC »
A school has a students and b teachers. If a < 150, b < 25, and...
0
Last post by BTGmoderatorDC
Wed Dec 01, 2021 11:56 pm
Each of the 4 students in a certain class read several books during the past month. What was the standard deviation of
by AAPL »
GMAT Prep Each of the 4 students in a certain class read several...
0
Last post by AAPL
Wed Dec 01, 2021 8:05 am
Jerry took a total of 10 tests, some in June and some in July last year. What was the average (arithmetic mean) of the
by BTGmoderatorDC »
Jerry took a total of 10 tests, some in June and some in July last...
0
Last post by BTGmoderatorDC
Tue Nov 30, 2021 6:53 pm
Hospital H conducted a survey of two groups of patients who were enrolled in an exercise rehabilitation program last
by BTGmoderatorDC »
Hospital H conducted a survey of two groups of patients who were...
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Last post by BTGmoderatorDC
Tue Nov 30, 2021 4:40 am
At least 100 students at a certain high school study Japanese. If 4 percent of the students at the school who study Fren
by Vincen »
At least 100 students at a certain high school study Japanese. If 4...
3
Last post by STurner
Mon Nov 29, 2021 2:52 am
Machines $$X$$ and $$Y$$ produced identical bottles at different constant rates. Machine $$X,$$ operating alone for
by Gmat_mission »
Machines $$X$$ and $$Y$$ produced identical bottles at different...
1
Last post by [email protected]
Sun Nov 28, 2021 2:58 pm
If $$0 < a < b,$$ is $$c < 0?$$
by Gmat_mission »
If $$0 < a < b,$$ is $$c < 0?$$ 1.$$cb < ca$$ 2.$$|c|... 0 Last post by Gmat_mission Sun Nov 28, 2021 7:49 am Given that \(P + 2Q$$ is a positive number, what is the value of $$P + 2Q?$$
by Gmat_mission »
Given that $$P + 2Q$$ is a positive number, what is the value of $$P... 0 Last post by Gmat_mission Sun Nov 28, 2021 7:44 am In a sequence of numbers in which each term after the first term is 1 more than twice the preceding term, what is the by Gmat_mission » In a sequence of numbers in which each term after the first term is 1... 0 Last post by Gmat_mission Sun Nov 28, 2021 7:38 am What is the value of \(k?$$
by Gmat_mission »
What is the value of $$k?$$ (1) $$(-k)^5 = -k^5$$ (2) $$(-k)^4 =... 0 Last post by Gmat_mission Sun Nov 28, 2021 7:31 am The figure above shows a portion of a road map on which the measures of certain angles are indicated. If all lines shown by Gmat_mission » 2019-04-26_1847.png The figure above shows a portion of a road map... 0 Last post by Gmat_mission Sun Nov 28, 2021 7:24 am It costs \(\2,250$$ to fill the right circular cylindrical Tank $$R$$ with a certain industrial chemical. If the cost
by Gmat_mission »
It costs $$\2,250$$ to fill the right circular cylindrical Tank...
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Last post by Gmat_mission
Sun Nov 28, 2021 7:14 am
In the sequence of nonzero numbers $$t_1, t_2, t_3, \ldots, t_n,\ldots,$$ $$t_{n+1} = \dfrac{t_n}2$$ for all positive in
by Gmat_mission »
In the sequence of nonzero numbers $$t_1, t_2, t_3, \ldots,... 0 Last post by Gmat_mission Sun Nov 28, 2021 7:09 am If \(x$$ and $$y$$ are positive integers, is $$x - y > \dfrac{x+y}2 ?$$
by Gmat_mission »
If $$x$$ and $$y$$ are positive integers, is $$x - y >... 0 Last post by Gmat_mission Sun Nov 28, 2021 6:56 am If \(m$$ represents the slope of a line in the coordinate geometry plane, does the line intersect quadrant $$\rm III?$$
by M7MBA »
If $$m$$ represents the slope of a line in the coordinate geometry...
0
Last post by M7MBA
Sun Nov 28, 2021 6:39 am
In the figure shown, triangle $$ABC$$ is inscribed in the circle. What is the circumference of the circle?
by M7MBA »
1 (1).jpg In the figure shown, triangle $$ABC$$ is inscribed in the...
0
Last post by M7MBA
Sun Nov 28, 2021 1:51 am
If $$X$$ is an integer, does $$7^X+9^{X+3}$$ end with a $$0?$$
by M7MBA »
If $$X$$ is an integer, does $$7^X+9^{X+3}$$ end with a $$0?$$ 1)...
0
Last post by M7MBA
Sun Nov 28, 2021 1:44 am
Gross profit is equal to selling price minus cost. A car dealer's gross profit on the sale of a certain car was what per
by M7MBA »
Gross profit is equal to selling price minus cost. A car dealer's...
0
Last post by M7MBA
Sun Nov 28, 2021 1:29 am
If printing press $$A,$$ running alone at its constant rate, produces $$27,000$$ newspapers in six hours, how long does
by M7MBA »
If printing press $$A,$$ running alone at its constant rate, produces...
0
Last post by M7MBA
Sun Nov 28, 2021 1:21 am
How many girls are members of both the Math Club and the Chess Club?
by M7MBA »
How many girls are members of both the Math Club and the Chess Club?...
0
Last post by M7MBA
Sun Nov 28, 2021 1:14 am
Is $$n > 6?$$
by Vincen »
Is $$n > 6?$$ (1) $$\sqrt{n}>2.5$$ (2) $$n>\sqrt{37}$$...
1
Last post by [email protected]
Sat Nov 27, 2021 7:33 am
A number of people shared a meal, intending to divide the cost evenly among themselves. However, several of the diners
by Vincen »
A number of people shared a meal, intending to divide the cost evenly...
1
Last post by [email protected]
Sat Nov 27, 2021 7:31 am
In triangle $$ABC$$ above, what is the length of side $$BC?$$
by Vincen »
Untitled.png In triangle $$ABC$$ above, what is the length of side...
1
Last post by [email protected]
Sat Nov 27, 2021 7:30 am
Coin toss
by beater »
When a player in a certain game tossed a coin a number of times, 4...
7
Last post by [email protected]
Sat Nov 27, 2021 7:23 am
For any integers $$x$$ and $$y,$$ $$\min(x, y)$$ and $$\max(x, y)$$ denote the minimum and the maximum of $$x$$ and
by M7MBA »
For any integers $$x$$ and $$y,$$ $$\min(x, y)$$ and $$\max(x, y)$$...
0
Last post by M7MBA
Sat Nov 27, 2021 6:13 am
What is the value of $$x?$$
by VJesus12 »
What is the value of $$x?$$ (1) $$(|x| + 9)(x - 9) = 0$$ (2) $$(|x| -... 0 Last post by VJesus12 Sat Nov 27, 2021 6:09 am On Sunday morning, a printing press printed its newspapers at a constant rate from 1:00 AM to 4:00 AM. How many newspape by VJesus12 » On Sunday morning, a printing press printed its newspapers at a... 0 Last post by VJesus12 Sat Nov 27, 2021 6:05 am Working independently at their respective constant rates, pumps \(X$$ and $$Y$$ took $$48$$ minutes to fill an empty
by VJesus12 »
Working independently at their respective constant rates, pumps $$X$$...
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Last post by VJesus12
Sat Nov 27, 2021 6:02 am
The sum of the integers in list $$S$$ is the same as the sum of the integers in list $$T.$$ Does $$S$$ contain more inte
by VJesus12 »
The sum of the integers in list $$S$$ is the same as the sum of the...
0
Last post by VJesus12
Sat Nov 27, 2021 5:56 am
A certain shipment of identical cans of soup can be packed either into cartons that hold 15 cans each or into cartons
by VJesus12 »
A certain shipment of identical cans of soup can be packed either...
0
Last post by VJesus12
Sat Nov 27, 2021 5:16 am
Each of 5 households owns at least one television set. What is the standard deviation of the numbers of television sets
by VJesus12 »
Each of 5 households owns at least one television set. What is the...
0
Last post by VJesus12
Sat Nov 27, 2021 5:10 am
If $$p, q,r,$$ and $$s$$ are consecutive integers, with $$p<q<r<s,$$ is $$pr<qs?$$
by VJesus12 »
If $$p, q,r,$$ and $$s$$ are consecutive integers, with...
0
Last post by VJesus12
Sat Nov 27, 2021 5:06 am
If $$x$$ and $$y$$ are positive integers, what is the value of $$(x+y)^2?$$
by VJesus12 »
If $$x$$ and $$y$$ are positive integers, what is the value of...
0
Last post by VJesus12
Sat Nov 27, 2021 5:03 am