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Data Sufficiency

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In quadrilateral \(ABCD,\) is angle \(BCD\) a right angle?
by Gmat_mission »
In quadrilateral \(ABCD,\) is angle \(BCD\) a right angle? (1) Angle...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Sep 14, 2020 8:59 am
Kevin buys beer in bottles and cans. He pays $1.00 for each can of beer and $1.50 for each bottle of beer...
by AAPL »
Princeton Review Kevin buys beer in bottles and cans. He pays $1.00...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Sep 14, 2020 8:57 am
[b]Q. (Geometry)[/b] w, x, y, and z are depicted as shown in the above figure..
by Max@Math Revolution »
Q. (Geometry) PS- Angles.jpg w, x, y, and z are depicted as shown in...
1
Last post by Max@Math Revolution
Mon Sep 14, 2020 5:22 am
(Integer)How many digits does \(2^{17}\) * \(5^{10}\) have?
by Max@Math Revolution »
(Integer) How many digits does \(2^{17}\) * \(5^{10}\) have? A. 11...
1
Last post by Max@Math Revolution
Mon Sep 14, 2020 5:17 am
Is \(y-x<0?\)
by Vincen »
Is \(y-x<0?\) (1) \(y>\sqrt{x}\) (2) \(y-x^2<0\) Answer: E...
0
Last post by Vincen
Mon Sep 14, 2020 3:03 am
In any sequence of n nonzero numbers, a pair of consecutive terms with opposite signs represents a sign change. For exam
by Vincen »
In any sequence of n nonzero numbers, a pair of consecutive terms...
0
Last post by Vincen
Mon Sep 14, 2020 2:56 am
If a + b + c < 0, is c < 5 ?
by BTGmoderatorDC »
If a + b + c < 0, is c < 5 ? (1) c < a + b + 5 (2) a + b + 5...
0
Last post by BTGmoderatorDC
Sun Sep 13, 2020 6:14 pm
Of the 20 people who each purchased 2 tickets to a concert, some used both tickets, some used only 1 ticket, and some us
by M7MBA »
Of the 20 people who each purchased 2 tickets to a concert, some used...
1
Last post by deloitte247
Sun Sep 13, 2020 10:45 am
Water is pumped into a partially filled tank at a constant rate through an inlet pipe. At the same time, water is pumped
by VJesus12 »
Water is pumped into a partially filled tank at a constant rate...
1
Last post by deloitte247
Sun Sep 13, 2020 9:59 am
Rishi spends \(\$1054.69\) on rent each month and receives a set monthly income. In January, he saved a certain amount,
by Gmat_mission »
Rishi spends \(\$1054.69\) on rent each month and receives a set...
1
Last post by deloitte247
Sun Sep 13, 2020 9:26 am
Two chocolates need to be picked from a box with replacement. if all the chocolates in the box are wrapped in either
by M7MBA »
Two chocolates need to be picked from a box with replacement. if all...
1
Last post by deloitte247
Sun Sep 13, 2020 6:36 am
What is the value of 6x - 10 ?
by BTGModeratorVI »
What is the value of 6x - 10 ? (1) 3x - 5 = 16 (2) 12x - 10 = 74...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Sep 13, 2020 5:28 am
Is a^5 divisible by 4?
by BTGModeratorVI »
Is a^5 divisible by 4? (1) a^5 - 8 is divisible by 4. (2) a is...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Sep 13, 2020 5:28 am
A certain mixture of paint requires blue, yellow, and red paints in ratios of 2:3:1
by BTGModeratorVI »
A certain mixture of paint requires blue, yellow, and red paints in...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Sep 13, 2020 5:26 am
If m is an integer, is m/102 an integer?
by BTGmoderatorDC »
If m is an integer, is m/102 an integer? (1) 99 is a factor of 165m....
0
Last post by BTGmoderatorDC
Sat Sep 12, 2020 7:13 pm
Is z > 0.5 ?
by BTGmoderatorDC »
Is z > 0.5 ? (1) The tenths digit in the decimal representation of...
1
Last post by swerve
Sat Sep 12, 2020 2:50 pm
If j > 1, is integer j a prime number?
by BTGModeratorVI »
If j > 1, is integer j a prime number? (1) When j is divided by 3,...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Sep 12, 2020 6:36 am
If x, y, and z are the lengths of the three sides of a triangle, is y > 4?
by BTGModeratorVI »
If x, y, and z are the lengths of the three sides of a triangle, is y...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Sep 12, 2020 6:35 am
If the smaller of 2 consecutive odd integers is a multiple of 5, which of the following could NOT be the sum of these 2
by BTGModeratorVI »
If the smaller of 2 consecutive odd integers is a multiple of 5,...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Sep 12, 2020 6:34 am
If the two floors in a certain building are 9 feet apart, how many steps are there in a set of stairs that extends from
by Gmat_mission »
If the two floors in a certain building are 9 feet apart, how many...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Sep 12, 2020 6:34 am
John took a test that had 60 questions numbered from 1 to 60. How many of the questions did he answer correctly?
by AAPL »
Official Guide John took a test that had 60 questions numbered from...
0
Last post by AAPL
Fri Sep 11, 2020 5:52 pm
What is the number of members of Club \(X\) who are at least \(35\) years of age?
by Gmat_mission »
What is the number of members of Club \(X\) who are at least \(35\)...
1
Last post by deloitte247
Fri Sep 11, 2020 1:13 pm
A bookstore that sells used books sells each of its paperback books for a certain price and each of its hardcover books
by Gmat_mission »
A bookstore that sells used books sells each of its paperback books...
1
Last post by deloitte247
Fri Sep 11, 2020 10:54 am
If y is an integer, is y^2 divisible by 4?
by BTGmoderatorDC »
If y is an integer, is y^2 divisible by 4? (1) y is even. (2) y^3 is...
1
Last post by swerve
Fri Sep 11, 2020 10:43 am
If \(r\) and \(s\) are integers, is \(r+s\) divisible by \(3?\)
by Gmat_mission »
If \(r\) and \(s\) are integers, is \(r+s\) divisible by \(3?\) (1)...
1
Last post by deloitte247
Fri Sep 11, 2020 10:10 am
A certain ice cream factory makes two flavors of ice cream: chocolate and caramel. Each flavor comes in two varieties:
by BTGmoderatorLU »
Source: Veritas Prep A certain ice cream factory makes two flavors...
0
Last post by BTGmoderatorLU
Fri Sep 11, 2020 6:03 am
At the bakery, Lew spent a total of $6.00 for one kind of cupcake and one kind of doughnut. How many doughnuts did he bu
by BTGModeratorVI »
At the bakery, Lew spent a total of $6.00 for one kind of cupcake and...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Sep 10, 2020 5:28 am
In the standard (x,y) coordinate plane, what is the slope of the line containing the distinct points P and Q ?
by BTGModeratorVI »
In the standard (x,y) coordinate plane, what is the slope of the line...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Sep 10, 2020 5:28 am
If Mary always takes the same route to work, how long did it take Mary to get to work on Friday?
by BTGmoderatorLU »
Source: GMAT Prep If Mary always takes the same route to work, how...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Sep 10, 2020 5:27 am
Is \(5^k\) less than \(1,000?\)
by Gmat_mission »
Is \(5^k\) less than \(1,000?\) (1) \(5^{k+1}>3,000\) (2)...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Sep 10, 2020 5:26 am
If \(x\) is the product of integers \(a, b, c,\) and \(d,\) is \(x\) divisible by \(128?\)
by Gmat_mission »
If \(x\) is the product of integers \(a, b, c,\) and \(d,\) is \(x\)...
0
Last post by Gmat_mission
Thu Sep 10, 2020 12:59 am
If \(N\) is a positive integer, what is the tens digit of \(N?\)
by Gmat_mission »
If \(N\) is a positive integer, what is the tens digit of \(N?\) (1)...
0
Last post by Gmat_mission
Thu Sep 10, 2020 12:56 am
If \(x\) is a positive integer, what is the median of the set of consecutive integers from \(1\) to \(x\) inclusive?
by Gmat_mission »
If \(x\) is a positive integer, what is the median of the set of...
0
Last post by Gmat_mission
Thu Sep 10, 2020 12:51 am
Is \(xy > 5?\)
by Gmat_mission »
Is \(xy > 5?\) (1) \(1\le x\le 3\) and \(2\le y\le 4\) (2) \(x + y...
0
Last post by Gmat_mission
Thu Sep 10, 2020 12:48 am
Is \(p\) divisible \(168?\)
by Gmat_mission »
Is \(p\) divisible \(168?\) (1) \(p\) is divisible by \(14.\) (2)...
0
Last post by Gmat_mission
Thu Sep 10, 2020 12:26 am
\(pq < 70,\) where both \(P\) and \(Q\) are distinct odd primes. Determine \(PQ.\)
by Gmat_mission »
\(pq < 70,\) where both \(P\) and \(Q\) are distinct odd primes....
0
Last post by Gmat_mission
Thu Sep 10, 2020 12:18 am
If ab < 7, is b < 1?
by BTGmoderatorDC »
If ab < 7, is b < 1? (1) a > 7 (2) b < 7 OA A Source:...
0
Last post by BTGmoderatorDC
Wed Sep 09, 2020 6:04 pm
The only gift certificates that a certain store sold . . .
by VJesus12 »
The only gift certificates that a certain store sold yesterday were...
2
EXPERT REPLIES
Last post by allan10carlo86
Wed Sep 09, 2020 7:14 am
If \(r, s,\) and \(t\) are integers, is \(rs + t\) divisible by \(2?\)
by M7MBA »
If \(r, s,\) and \(t\) are integers, is \(rs + t\) divisible by...
0
Last post by M7MBA
Wed Sep 09, 2020 6:54 am
What were the individual prices of the vases that an antique dealer bought at store \(X?\)
by M7MBA »
What were the individual prices of the vases that an antique dealer...
0
Last post by M7MBA
Wed Sep 09, 2020 6:52 am
If \(x\) is an integer, is \(9^x+9^{-x}=b?\)
by M7MBA »
If \(x\) is an integer, is \(9^x+9^{-x}=b?\) (1)...
0
Last post by M7MBA
Wed Sep 09, 2020 6:47 am
Out of the 150 students of School \(X,\) 40 students have opted for only French as an extra subject. Some students have
by M7MBA »
Out of the 150 students of School \(X,\) 40 students have opted for...
0
Last post by M7MBA
Wed Sep 09, 2020 6:45 am
If \(M\) and \(N\) are integers such that \(M = N^2 - 1,\) is \(M\) divisible by \(12?\)
by M7MBA »
If \(M\) and \(N\) are integers such that \(M = N^2 - 1,\) is \(M\)...
0
Last post by M7MBA
Wed Sep 09, 2020 6:43 am
If \(d\) is a positive integer, is \(\sqrt{d}\) an integer?
by M7MBA »
If \(d\) is a positive integer, is \(\sqrt{d}\) an integer? (1) \(d\)...
0
Last post by M7MBA
Wed Sep 09, 2020 6:39 am
Each day at Dan’s new job, he earns $10 more than the day before. If he just completed his 15th day of work, how much
by M7MBA »
Each day at Dan’s new job, he earns $10 more than the day before....
0
Last post by M7MBA
Wed Sep 09, 2020 6:37 am
If \(x\) and \(y\) are positive integers, is the product \(xy\) even?
by M7MBA »
If \(x\) and \(y\) are positive integers, is the product \(xy\) even?...
0
Last post by M7MBA
Wed Sep 09, 2020 6:34 am
If \(F\) is the prime factorization of \(N!,\) how many factors in \(F\) have an exponent of \(1?\)
by M7MBA »
If \(F\) is the prime factorization of \(N!,\) how many factors in...
0
Last post by M7MBA
Wed Sep 09, 2020 6:31 am
If the price of a magazine is to be doubled, by what percent will the number of magazines sold decrease?
by VJesus12 »
If the price of a magazine is to be doubled, by what percent will the...
1
Last post by swerve
Wed Sep 09, 2020 6:30 am
If \(i\) and \(j\) are integers, is \(i + j\) an even integer?
by M7MBA »
If \(i\) and \(j\) are integers, is \(i + j\) an even integer? (1)...
0
Last post by M7MBA
Wed Sep 09, 2020 6:29 am
If \(t\ne 0,\) is \(r\) greater than zero?
by M7MBA »
If \(t\ne 0,\) is \(r\) greater than zero? (1) \(rt = 12\) (2) \(r +...
0
Last post by M7MBA
Wed Sep 09, 2020 6:25 am