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Data Sufficiency

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If \(a\) and \(b\) are negative numbers, is \(b > a ?\)
by M7MBA »
If \(a\) and \(b\) are negative numbers, is \(b > a ?\) (1)...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 7:18 am
Machine \(R\) and machine \(S\) work at their respective constant rates. How much time does it take machine \(R,\) worki
by M7MBA »
Machine \(R\) and machine \(S\) work at their respective constant...
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Last post by M7MBA
Wed Jun 24, 2020 7:05 am
Is \(\dfrac{x}{y}\) greater than \(1 ?\)
by M7MBA »
Is \(\dfrac{x}{y}\) greater than \(1 ?\) (1) \(x > 3\) (2) \(y...
0
Last post by M7MBA
Wed Jun 24, 2020 7:01 am
Does \(y\) equal \(1?\)
by M7MBA »
Does \(y\) equal \(1?\) (1) \(x = 2y\) (2) \(x = 2\) OA=C Source:...
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Last post by M7MBA
Wed Jun 24, 2020 6:59 am
What was Mary's average (arithmetic mean) score on 4 tests?
by M7MBA »
What was Mary's average (arithmetic mean) score on 4 tests? (1) Her...
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Last post by M7MBA
Wed Jun 24, 2020 6:49 am
If \(x\ne 0,\) is \(\dfrac1{x} < \dfrac1{x^2}?\)
by M7MBA »
If \(x\ne 0,\) is \(\dfrac1{x} < \dfrac1{x^2}?\) (1) \(x > 0\)...
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Last post by M7MBA
Wed Jun 24, 2020 6:46 am
If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920
by M7MBA »
If John has exactly 10 coins each of which was minted in 1910 or 1920...
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Last post by M7MBA
Wed Jun 24, 2020 6:37 am
What is the average (arithmetic mean) of \(a, b, c, d, e,\) and \(f\) with \(a < b < c < d < e < f ?\)
by M7MBA »
What is the average (arithmetic mean) of \(a, b, c, d, e,\) and \(f\)...
0
Last post by M7MBA
Wed Jun 24, 2020 6:33 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 fi
by M7MBA »
In a sequence of numbers in which each term after the first term is 1...
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Last post by M7MBA
Wed Jun 24, 2020 6:25 am
Larry saves \(x\) dollars per month. Will Larry’s total savings one year from now exceed his present savings by at least
by M7MBA »
Larry saves \(x\) dollars per month. Will Larry’s total savings one...
0
Last post by M7MBA
Wed Jun 24, 2020 6:23 am
According to the graph above, the sale of fruits and vegetables in Store \(S\) last week accounted for what percent of
by M7MBA »
1 (1).png According to the graph above, the sale of fruits and...
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Last post by M7MBA
Wed Jun 24, 2020 6:16 am
At a certain company, 30 percent of the employees live in City \(R.\) If 25 percent of the company’s employees live in a
by M7MBA »
At a certain company, 30 percent of the employees live in City \(R.\)...
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Last post by M7MBA
Wed Jun 24, 2020 6:06 am
Is \(k\) positive?
by M7MBA »
Is \(k\) positive? (1) \(k\) is between -2 and 3 on the number line....
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Last post by M7MBA
Wed Jun 24, 2020 5:52 am
In the figure above, point \(X\) lies inside the circle with center \(O\) and radius 2. Does point \(Y\) lie on the circ
by VJesus12 »
1.png In the figure above, point \(X\) lies inside the circle with...
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Last post by VJesus12
Wed Jun 24, 2020 5:47 am
A motorboat, which is set to travel at \(k\) kilometers per hour in still water, travels directly up and down the center
by Vincen »
A motorboat, which is set to travel at \(k\) kilometers per hour in...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 5:43 am
Zelma scored 90, 88, and 92 on 3 of the 6 mathematics tests that she took. What was her average (arithmetic mean) score
by Vincen »
Zelma scored 90, 88, and 92 on 3 of the 6 mathematics tests that she...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 5:42 am
If each of the stamps Carla bought cost 20, 25, or 30 cents and she bought at least one of each denomination, what is
by Vincen »
If each of the stamps Carla bought cost 20, 25, or 30 cents and she...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 5:42 am
If \(X\) and \(Y\) each represent single digits in the decimal above, what digit does \(X\) represent?
by VJesus12 »
\(3.2XY6\) If \(X\) and \(Y\) each represent single digits in the...
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Last post by VJesus12
Wed Jun 24, 2020 5:40 am
If there are 13 boys in club \(X,\) what is the average age of these boys?
by VJesus12 »
If there are 13 boys in club \(X,\) what is the average age of these...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 5:39 am
Is \(x > 2?\)
by VJesus12 »
Is \(x > 2?\) (1) \(2x > 4\) (2) \(x + 1 > 2\) OA=A Source:...
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Last post by VJesus12
Wed Jun 24, 2020 5:36 am
A small factory that produces only upholstered chairs and sofas uses 1 cushion for each chair and 4 cushions for each so
by VJesus12 »
A small factory that produces only upholstered chairs and sofas uses...
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Last post by VJesus12
Wed Jun 24, 2020 5:26 am
If all the employees of a company fall into one and only one of 3 groups, \(X, Y,\) or \(Z,\) with 250, 100, and 20 memb
by VJesus12 »
If all the employees of a company fall into one and only one of 3...
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Last post by VJesus12
Wed Jun 24, 2020 3:15 am
Three houses are being sold through a real estate agent. What is the asking price for the house with the second-largest
by VJesus12 »
Three houses are being sold through a real estate agent. What is the...
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Last post by VJesus12
Wed Jun 24, 2020 3:08 am
If \(k\) does not equal \(-1, 0\) or \(1,\) does the point of intersection of line \(y = kx+b\) and line \(x = ky+b\) ha
by VJesus12 »
If \(k\) does not equal \(-1, 0\) or \(1,\) does the point of...
0
Last post by VJesus12
Wed Jun 24, 2020 3:06 am
In a sequence of numbers, if the first number is a positive integer and if each number thereafter is the least prime num
by VJesus12 »
In a sequence of numbers, if the first number is a positive integer...
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Last post by VJesus12
Wed Jun 24, 2020 3:03 am
If a certain positive two-digit number has tens' digit \(w\) and units' digit \(x,\) what is the value of \(w + x ?\)
by VJesus12 »
If a certain positive two-digit number has tens' digit \(w\) and...
0
Last post by VJesus12
Wed Jun 24, 2020 2:59 am
Cube \(X\) has surface area \(s\) square centimeters and volume \(v\) cubic centimeters. What is the value of \(v?\)
by VJesus12 »
Cube \(X\) has surface area \(s\) square centimeters and volume \(v\)...
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Last post by VJesus12
Wed Jun 24, 2020 2:54 am
If \(x\) and \(y\) are positive, is \(y< 2 ?\)
by VJesus12 »
If \(x\) and \(y\) are positive, is \(y< 2 ?\) (1) \(x > 2y\)...
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Last post by VJesus12
Wed Jun 24, 2020 2:48 am
If both \(x\) and \(y\) are nonzero numbers, what is the value of \(\dfrac{y}{x}?\)
by Vincen »
If both \(x\) and \(y\) are nonzero numbers, what is the value of...
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Last post by Vincen
Wed Jun 24, 2020 2:42 am
A sum of $200,000 from a certain estate was divided among a spouse and three children. How much did the youngest child
by Vincen »
A sum of $200,000 from a certain estate was divided among a spouse...
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Last post by Vincen
Wed Jun 24, 2020 2:35 am
Pat is reading a book that has a total of 15 chapters. Has Pat read at least 1/3 of the pages in the book?
by Vincen »
Pat is reading a book that has a total of 15 chapters. Has Pat read...
0
Last post by Vincen
Wed Jun 24, 2020 2:30 am
Are both of the integers \(x\) and \(y\) divisible by 3?
by Vincen »
Are both of the integers \(x\) and \(y\) divisible by 3? (1) \(x +...
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Last post by Vincen
Wed Jun 24, 2020 2:19 am
If \(x^2+5z+2xy+6=2xy\) and \(x\ne –2,\) what is the value of \(x?\)
by Vincen »
If \(x^2+5z+2xy+6=2xy\) and \(x\ne -2,\) what is the value of \(x?\)...
0
Last post by Vincen
Wed Jun 24, 2020 2:12 am
After a one-piece circular tablecloth of the maximum possible area was cut from a rectangular piece of material, what
by Vincen »
After a one-piece circular tablecloth of the maximum possible area...
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Last post by Vincen
Wed Jun 24, 2020 2:08 am
If \(x\ne 0\) and \(x^2z–4xy+y=0,\) what is the value of \(z?\)
by Vincen »
If \(x\ne 0\) and \(x^2z-4xy+y=0,\) what is the value of \(z?\) (1)...
0
Last post by Vincen
Wed Jun 24, 2020 2:06 am
The total profit of corporation \(K\) was \(\$3,400,000\) in year \(X.\) What was the total profit in year \(Y?\)
by Vincen »
The total profit of corporation \(K\) was \(\$3,400,000\) in year...
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Last post by Vincen
Wed Jun 24, 2020 1:59 am
In year \(X\) were there more female salespersons in the securities sector than in the insurance sector?
by Vincen »
1.jpg In year \(X\) were there more female salespersons in the...
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Last post by Vincen
Wed Jun 24, 2020 1:55 am
If \(xy\ne 0,\) what is the value of \(x?\)
by Vincen »
If \(xy\ne 0,\) what is the value of \(x?\) (1) \(yx^2+4xy+4y=0\) (2)...
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Last post by Vincen
Wed Jun 24, 2020 1:52 am
If \(xy\ne 0,\) what is the value of \(\dfrac{2x + y}{x - 2y}?\)
by Vincen »
If \(xy\ne 0,\) what is the value of \(\dfrac{2x + y}{x - 2y}?\) (1)...
0
Last post by Vincen
Wed Jun 24, 2020 1:48 am
In the figure above, \(ABC\) is a right triangle and \(BCD\) is a line. What is the value of \(x?\)
by Vincen »
1.png In the figure above, \(ABC\) is a right triangle and \(BCD\)...
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Last post by Vincen
Wed Jun 24, 2020 1:45 am
If \(y\) is an integer, is \(y^3\) divisible by 9?
by Vincen »
If \(y\) is an integer, is \(y^3\) divisible by 9? (1) \(y\) is...
0
Last post by Vincen
Wed Jun 24, 2020 1:42 am
A car traveled a distance of \(d\) miles in \(t\) minutes at an average rate of \(r\) miles per minute. What is the rati
by Vincen »
A car traveled a distance of \(d\) miles in \(t\) minutes at an...
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Last post by Vincen
Wed Jun 24, 2020 1:39 am
M is a simplified fraction. How many possible values of M exist?
by Max@Math Revolution »
M is a simplified fraction. How many possible values of M exist? 1)...
1
Last post by Max@Math Revolution
Wed Jun 24, 2020 1:34 am
Data Sufficiency
by deep319933 »
A number of people shared a meal, intending to divide the cost evenly...
0
Last post by deep319933
Wed Jun 24, 2020 12:49 am
Data Sufficiency
by deep319933 »
What is the area of right triangle ABC? (1) Side AB measures 5 meters...
0
Last post by deep319933
Wed Jun 24, 2020 12:48 am
Data Sufficiency
by deep319933 »
For positive integers x and y, x=19!+y. Is x a prime number? (1)...
0
Last post by deep319933
Wed Jun 24, 2020 12:48 am
Data Sufficiency
by deep319933 »
Ian has three pets: Barnum the cat, Bailey the cat, and Daisy the...
0
Last post by deep319933
Wed Jun 24, 2020 12:47 am
Data Sufficiency
by deep319933 »
What is the value of the odd three-digit integer y? (1) The sum of...
0
Last post by deep319933
Wed Jun 24, 2020 12:46 am
Data Sufficiency
by deep319933 »
If x,y, and z are all positive integers, what is the least common...
0
Last post by deep319933
Wed Jun 24, 2020 12:45 am
Data Sufficiency
by deep319933 »
If 7 and 10 are the lengths of two sides of a triangle, which of the...
0
Last post by deep319933
Wed Jun 24, 2020 12:43 am