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Data Sufficiency

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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
The cost of delivery for an order of desk chairs was \(\$10.00\) for the first chair and \(\$1.00\) for each additional
by M7MBA »
The cost of delivery for an order of desk chairs was \(\$10.00\) for...
0
Last post by M7MBA
Fri Feb 11, 2022 8:20 am
Each card in a deck has a positive integer written on one side. Bjorn and Dagmar each draw two cards and divide the numb
by M7MBA »
Each card in a deck has a positive integer written on one side. Bjorn...
0
Last post by M7MBA
Fri Feb 11, 2022 8:18 am
Each card in a deck has a positive integer written on one side. Bjorn and Dagmar each draw two cards and divide the numb
by M7MBA »
Each card in a deck has a positive integer written on one side. Bjorn...
0
Last post by M7MBA
Fri Feb 11, 2022 8:15 am
What is the standard deviation of set \(M?\)
by M7MBA »
What is the standard deviation of set \(M?\) (1) Set \(M\) contains...
0
Last post by M7MBA
Fri Feb 11, 2022 8:13 am
Is the number \(x\) positive?
by Vincen »
Is the number \(x\) positive? (1) On the number line, \(0\) is closer...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Feb 11, 2022 6:45 am
Is \(y-x<0?\)
by M7MBA »
Is \(y-x<0?\) (1) \(y>\sqrt{x}\) (2) \(y-x^2<0\) Answer: E...
0
Last post by M7MBA
Fri Feb 11, 2022 4:48 am
A number is to be written in each of the small squares in the figure above so that the sum of the numbers in any row is
by VJesus12 »
1.png A number is to be written in each of the small squares in the...
0
Last post by VJesus12
Fri Feb 11, 2022 3:31 am
What is the area of the right triangle \(ABC?\)
by VJesus12 »
What is the area of the right triangle \(ABC?\) (1) Side \(AB\)...
0
Last post by VJesus12
Fri Feb 11, 2022 3:25 am
If \(x\) and \(y\) are non-zero integers and \(|x| + |y| = 32,\) what is \(xy?\)
by Vincen »
If \(x\) and \(y\) are non-zero integers and \(|x| + |y| = 32,\) what...
0
Last post by Vincen
Fri Feb 11, 2022 3:20 am
Is \(|x + 1| + |x - 2| < 4 ?\)
by Vincen »
Is \(|x + 1| + |x - 2| < 4 ?\) (1) \(x\) is between \(-0.5\) and...
0
Last post by Vincen
Fri Feb 11, 2022 3:13 am
For a convention, a hotel charges a daily room rate of $120 for 1 person and x dollars for each additional person. What
by BTGmoderatorLU »
Source: Official Guide For a convention, a hotel charges a daily...
0
Last post by BTGmoderatorLU
Thu Feb 10, 2022 1:24 pm
If sequences S has 240 terms, what is the 239th term of S? 1) Each term of S after the first term is 4 less than the
by BTGmoderatorDC »
If sequences S has 240 terms, what is the 239th term of S? 1) Each...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Feb 09, 2022 8:17 am
Data sufficiency help
by snehavenkat »
gmat official guide 13th edition 56th problem. What is the Value of z...
5
EXPERT REPLIES
Last post by Newaz111
Mon Feb 07, 2022 11:51 pm
Is the product of two positive integers x and y divisible by the sum of x and of y ?
by BTGmoderatorDC »
Is the product of two positive integers x and y divisible by the sum...
0
Last post by BTGmoderatorDC
Mon Feb 07, 2022 4:05 pm
Pam owns an inventory of unopened packages of corn and rice, which she has purchased for $17 and $13 per package,
by AAPL »
GMAT Prep Pam owns an inventory of unopened packages of corn and...
0
Last post by AAPL
Mon Feb 07, 2022 8:36 am
Today, Malvika is prepared a dish that needed one and a half bowls of noodles for 4 servings. How many bowls of noodles
by Vincen »
Today, Malvika is prepared a dish that needed one and a half bowls of...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Feb 07, 2022 7:42 am
If r, s, and w are positive numbers such that x = 60r + 80s
by II »
If r, s, and w are positive numbers such that x = 60r + 80s and r + s...
9
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Feb 07, 2022 7:40 am
x is a two-digit integer and y is a three-digit integer that is divisible by x. If z is the value of the quotient y/x,
by BTGmoderatorDC »
x is a two-digit integer and y is a three-digit integer that is...
0
Last post by BTGmoderatorDC
Sun Feb 06, 2022 5:45 pm
For positive integers m and n, when n is divided by 7, the quotient is m and the remainder is 2. What is the remainder
by BTGmoderatorDC »
For positive integers m and n, when n is divided by 7, the quotient...
2
EXPERT REPLIES
Last post by swerve
Sun Feb 06, 2022 1:06 pm
Seven water stations were set up at equal intervals along the 42-kilometer route of a marathon, with the last water
by BTGmoderatorDC »
Seven water stations were set up at equal intervals along the...
0
Last post by BTGmoderatorDC
Thu Feb 03, 2022 6:10 pm
If \(|12x - 3| = |3x + 15|,\) what is the value of \(x?\)
by Vincen »
If \(|12x - 3| = |3x + 15|,\) what is the value of \(x?\) (1) \(x...
1
Last post by GMATGuruNY
Thu Feb 03, 2022 5:50 pm
A box contains 10 light bulbs, fewer than half of which are defective. Two bulbs are to be drawn simultaneously from the
by BTGmoderatorLU »
Source: GMAT Paper Tests A box contains 10 light bulbs, fewer than...
0
Last post by BTGmoderatorLU
Wed Feb 02, 2022 6:27 am
What is the sum of positive integers x and y?
by BTGmoderatorDC »
What is the sum of positive integers x and y? (1) x^2 + 2xy + y^2 =...
0
Last post by BTGmoderatorDC
Tue Feb 01, 2022 4:40 pm
If John has exactly 10 coins each of which was minted in 1910, 1920, or 1930, how many of his coins were minted in 1920?
by VJesus12 »
If John has exactly 10 coins each of which was minted in 1910, 1920,...
1
Last post by GMATGuruNY
Tue Feb 01, 2022 12:22 pm
Byrne and some of his friends go out to dinner and spent $111, excluding tax and tip. If the group included both men and
by AAPL »
Princeton Review Byrne and some of his friends go out to dinner and...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Tue Feb 01, 2022 10:37 am
What is the greatest common factor of positive integers x and y?
by BTGmoderatorDC »
What is the greatest common factor of positive integers x and y? (1)...
0
Last post by BTGmoderatorDC
Mon Jan 31, 2022 5:28 pm
Has Brand X been purchased by more than 50 percent of the 5,000 people in Westport?
by AAPL »
Princeton Review Has Brand X been purchased by more than 50 percent...
0
Last post by AAPL
Mon Jan 31, 2022 5:08 pm
What is the LCM of the numbers 3, a, and 7,
by BTGmoderatorDC »
What is the LCM of the numbers 3, a, and 7, if ‘a’ is an integer...
0
Last post by BTGmoderatorDC
Sun Jan 30, 2022 6:25 pm
Maria left home 1/4 hour after her husband and drove over the same route as he had in order to overtake him. From the
by Gmat_mission »
Maria left home 1/4 hour after her husband and drove over the same...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Jan 30, 2022 6:29 am
In a recent survey, twenty families reported their incomes for \(1995.\) Was the range of reported \(1995\) incomes for
by Gmat_mission »
In a recent survey, twenty families reported their incomes for...
1
Last post by swerve
Fri Jan 28, 2022 12:41 pm
A cake recipe uses a constant ratio of 2 teaspoons vanilla extract to 1-ounce chocolate. If the original recipe, which
by Gmat_mission »
A cake recipe uses a constant ratio of 2 teaspoons vanilla extract to...
0
Last post by Gmat_mission
Fri Jan 28, 2022 12:17 pm
What is the value of \(|x|?\)
by Gmat_mission »
What is the value of \(|x|?\) (1) \(|x^2 + 16| - 5 = 27\) (2) \(x^2 =...
0
Last post by Gmat_mission
Fri Jan 28, 2022 12:12 pm
What is the value of \(\dfrac{\sqrt{b}}{a}?\)
by Gmat_mission »
What is the value of \(\dfrac{\sqrt{b}}{a}?\) (1) \(b = a + 2\) (2)...
0
Last post by Gmat_mission
Fri Jan 28, 2022 12:09 pm
If \([x]\) denotes the greatest integer less than or equal to \(x\) for any number \(x,\) is \([a]+ [b]=1?\)
by Gmat_mission »
If \( \) denotes the greatest integer less than or equal to \(x\) for...
0
Last post by Gmat_mission
Fri Jan 28, 2022 12:05 pm
Is \(rst = 1 ?\)
by Gmat_mission »
Is \(rst = 1 ?\) (1) \(rs = 1\) (2) \(st = 1\) Answer: E Source:...
0
Last post by Gmat_mission
Fri Jan 28, 2022 11:56 am
When the positive integer \(x\) is divided by the positive integer \(y,\) the quotient is \(2\) and the remainder is
by Gmat_mission »
When the positive integer \(x\) is divided by the positive integer...
0
Last post by Gmat_mission
Fri Jan 28, 2022 11:42 am
If \(m\) and \(n\) are both positive, is \(mn < 10?\)
by Gmat_mission »
If \(m\) and \(n\) are both positive, is \(mn < 10?\) (1) \(m <...
0
Last post by Gmat_mission
Fri Jan 28, 2022 11:02 am
If \(n\) and \(t\) are positive integers, is \(n\) a factor of \(t?\)
by Gmat_mission »
If \(n\) and \(t\) are positive integers, is \(n\) a factor of \(t?\)...
0
Last post by Gmat_mission
Fri Jan 28, 2022 10:59 am
If \(a\) and \(b\) are integers, is \(b>a?\)
by Gmat_mission »
If \(a\) and \(b\) are integers, is \(b>a?\) (1)...
0
Last post by Gmat_mission
Fri Jan 28, 2022 10:10 am
The table above shows the cancellation fee schedule that a travel agency uses to determine the fee charged to a tourist
by M7MBA »
The table above shows the cancellation fee schedule that a travel...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Jan 28, 2022 10:07 am
Is \(|x - 6| > 2?\)
by Gmat_mission »
Is \(|x - 6| > 2?\) 1. \(|x - 4| > 3\) 2. \(|x - 8| > 1\)...
0
Last post by Gmat_mission
Fri Jan 28, 2022 9:54 am
If \(p, q,\) and \(r\) are integers, is \(p+q+r> 0 ?\)
by Gmat_mission »
If \(p, q,\) and \(r\) are integers, is \(p+q+r> 0 ?\) (1) \(p + r...
0
Last post by Gmat_mission
Fri Jan 28, 2022 8:46 am
What is the average (arithmetic mean) of \(x, y,\) and \(z?\)
by Gmat_mission »
What is the average (arithmetic mean) of \(x, y,\) and \(z?\) (1) \(x...
0
Last post by Gmat_mission
Fri Jan 28, 2022 8:41 am
What is the greatest possible value of the function \(f(x)?\)
by M7MBA »
What is the greatest possible value of the function \(f(x)?\) (1)...
0
Last post by M7MBA
Fri Jan 28, 2022 8:39 am
Is \(|xy| > x^2\cdot y^2 ?\)
by M7MBA »
Is \(|xy| > x^2\cdot y^2 ?\) (1) \(0 < x^2 < \dfrac14\) (2)...
0
Last post by M7MBA
Fri Jan 28, 2022 8:36 am