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Data Sufficiency

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Last post
What is the value of m?
by BTGModeratorVI »
What is the value of m? (1) |m| = -36/m (2) 2m + 2|m| = 0 Answer: A...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Jun 26, 2020 6:30 am
What is the ratio of y to x ?
by BTGModeratorVI »
What is the ratio of y to x ? (1) x/y = 2 (2) x - y = 2 Answer: A...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Jun 26, 2020 6:30 am
Will the first 10 volumes of a 20-volume encyclopedia fit upright in the bookrack shown above?
by Gmat_mission »
Bookrack.PNG Will the first 10 volumes of a 20-volume encyclopedia...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Jun 26, 2020 6:28 am
m is an integer where m = x + y. What is the minimum value of m?
by Max@Math Revolution »
m is an integer where m = x + y. What is the minimum value of m? 1)...
1
Last post by Max@Math Revolution
Fri Jun 26, 2020 2:05 am
The cost of 10 pounds of apples and 2 pounds of grapes was $12. What was the cost per pound of apples?
by BTGmoderatorDC »
The cost of 10 pounds of apples and 2 pounds of grapes was $12. What...
0
Last post by BTGmoderatorDC
Thu Jun 25, 2020 6:02 pm
x is a positive integer. What is the minimum value of x?
by Max@Math Revolution »
x is a positive integer. What is the minimum value of x? 1) f(x)...
1
Last post by Max@Math Revolution
Thu Jun 25, 2020 12:05 am
If p, q, and r are integers, is pq + r even?
by BTGmoderatorDC »
If p, q, and r are integers, is pq + r even? (1) p + r is even. (2) q...
0
Last post by BTGmoderatorDC
Wed Jun 24, 2020 6:42 pm
If n is an integer between 3 and 9, what is the value of n ?
by Anaira Mitch »
If n is an integer between 3 and 9, what is the value of n ? (1) On...
3
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 8:45 am
Is \(xy > 0 ?\)
by Gmat_mission »
Is \(xy > 0 ?\) (1) \(x = y + 6\) (2) \(y < 0\) OA=E Source:...
0
Last post by Gmat_mission
Wed Jun 24, 2020 8:18 am
If \(y\ne 0,\) is \(\dfrac{x}{y}\) an integer?
by Gmat_mission »
If \(y\ne 0,\) is \(\dfrac{x}{y}\) an integer? (1) \(x-2y=0\) (2)...
0
Last post by Gmat_mission
Wed Jun 24, 2020 8:14 am
In the figure above, line \(P\) is crossed by six other lines. Does \(x = y ?\)
by Gmat_mission »
1 (2).png In the figure above, line \(P\) is crossed by six other...
0
Last post by Gmat_mission
Wed Jun 24, 2020 8:10 am
Is the integer \(n\) equal to \(25 ?\)
by Gmat_mission »
Is the integer \(n\) equal to \(25 ?\) (1) \(n\) is the square of an...
0
Last post by Gmat_mission
Wed Jun 24, 2020 8:02 am
Which weighs more, a cubic unit of water, or a cubic unit of liquid \(X?\)
by Gmat_mission »
Which weighs more, a cubic unit of water, or a cubic unit of liquid...
0
Last post by Gmat_mission
Wed Jun 24, 2020 7:56 am
If \(k\) is an integer, is \(k\) even?
by Gmat_mission »
If \(k\) is an integer, is \(k\) even? (1) \(k > 1\) (2) \(k^2\)...
0
Last post by Gmat_mission
Wed Jun 24, 2020 7:54 am
If \(\dfrac{p}{r} = 3,\) what is the value of \(r ?\)
by Gmat_mission »
If \(\dfrac{p}{r} = 3,\) what is the value of \(r ?\) (1) \(p\) is...
0
Last post by Gmat_mission
Wed Jun 24, 2020 7:48 am
If \(x > y,\) is \(cx > cy ?\)
by Gmat_mission »
If \(x > y,\) is \(cx > cy ?\) (1) \(c > 0\) (2) \(xy >...
0
Last post by Gmat_mission
Wed Jun 24, 2020 7:23 am
Is \(20\) the average (arithmetic mean) of \(a, b,\) and \(20?\)
by M7MBA »
Is \(20\) the average (arithmetic mean) of \(a, b,\) and \(20?\) (1)...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 7:23 am
If \(n\) is a positive integer, is \(n\) odd?
by M7MBA »
If \(n\) is a positive integer, is \(n\) odd? (1) When \(n\) is...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Jun 24, 2020 7:20 am
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...
0
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:...
0
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...
0
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) \(x > 0\)...
0
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...
0
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...
0
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...
0
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 \(R.\)...
0
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....
0
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...
0
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...
0
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:...
0
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...
0
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...
0
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...
0
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...
0
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 \(v\)...
0
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) \(x > 2y\)...
0
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...
0
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...
0
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 +...
0
Last post by Vincen
Wed Jun 24, 2020 2:19 am