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Data Sufficiency

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Is \(5^k\) less than \(1,000?\)
by VJesus12 »
Is \(5^k\) less than \(1,000?\) (1) \(5^{k+1}>3,000\) (2)...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Mar 20, 2021 5:40 am
If it took Carlos 1/2 hour to cycle from his house to the library yesterday, was the distance that he cycled greater
by VJesus12 »
If it took Carlos 1/2 hour to cycle from his house to the library...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Mar 20, 2021 5:37 am
Is \(x\) less than \(20?\)
by M7MBA »
Is \(x\) less than \(20?\) (1) The sum of \(x\) and \(y\) is less...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Mar 20, 2021 5:36 am
Maggie draws a hand of ten cards from a standard deck. Maggies hand contains at least one card of each suit
by BTGmoderatorDC »
Maggie draws a hand of ten cards from a standard deck. Maggie’s...
0
Last post by BTGmoderatorDC
Fri Mar 19, 2021 6:22 pm
Are positive integers \(p\) and \(q\) both greater than \(n?\)
by M7MBA »
Are positive integers \(p\) and \(q\) both greater than \(n?\) (1)...
0
Last post by M7MBA
Fri Mar 19, 2021 8:01 am
In \(1995\) Division \(A\) of the company had \(4850\) customers. If there were \(86\) service errors in Division \(A\)
by M7MBA »
In \(1995\) Division \(A\) of the company had \(4850\) customers. If...
0
Last post by M7MBA
Fri Mar 19, 2021 7:56 am
The attendees at a certain convention purchased a total of 15,000 books. How many of these attendees were female?
by M7MBA »
The attendees at a certain convention purchased a total of 15,000...
0
Last post by M7MBA
Fri Mar 19, 2021 7:52 am
For each customer, a bakery charges \(p\) dollars for the first loaf of bread bought by the customer and charges \(q\)
by M7MBA »
For each customer, a bakery charges \(p\) dollars for the first loaf...
0
Last post by M7MBA
Fri Mar 19, 2021 7:49 am
Is \(\sqrt{(x-5)^2}=5-x?\)
by M7MBA »
Is \(\sqrt{(x-5)^2}=5-x?\) (1) \(-x|x|>0\) (2) \(5-x>0\)...
0
Last post by M7MBA
Fri Mar 19, 2021 7:44 am
Each of the offices in a certain building has a floor area of 200, 300, or 350 square feet. How many offices are on the
by M7MBA »
Each of the offices in a certain building has a floor area of 200,...
0
Last post by M7MBA
Fri Mar 19, 2021 7:40 am
If \(x \ne 0,\) is \(|x| < 1 ?\)
by M7MBA »
If \(x \ne 0,\) is \(|x| < 1 ?\) (1) \(x^2 < 1\) (2) \(|x| <...
0
Last post by M7MBA
Fri Mar 19, 2021 7:37 am
If \(x\) and \(y\) are positive, is \(x < y?\)
by M7MBA »
If \(x\) and \(y\) are positive, is \(x < y?\) (1)...
0
Last post by M7MBA
Fri Mar 19, 2021 7:35 am
If \(a<y<z<b,\) is \(|y-a|<|y-b| ?\)
by M7MBA »
If \(a<y<z<b,\) is \(|y-a|<|y-b| ?\) (1)...
0
Last post by M7MBA
Fri Mar 19, 2021 7:30 am
If the integer \(n\) is greater than \(1,\) is \(n\) equal to \(2?\)
by M7MBA »
If the integer \(n\) is greater than \(1,\) is \(n\) equal to \(2?\)...
0
Last post by M7MBA
Fri Mar 19, 2021 7:25 am
An integer greater than \(1\) that is not prime is called composite. If the two-digit integer \(n\) is greater than
by M7MBA »
An integer greater than \(1\) that is not prime is called composite....
0
Last post by M7MBA
Fri Mar 19, 2021 7:19 am
Is the length of the diagonal of the rectangle bigger than \(\sqrt6?\)
by M7MBA »
Is the length of the diagonal of the rectangle bigger than...
0
Last post by M7MBA
Fri Mar 19, 2021 7:10 am
The lifetime of all the batteries produced by a certain company in a year has a distribution that is symmetric about the
by M7MBA »
The lifetime of all the batteries produced by a certain company in a...
0
Last post by M7MBA
Fri Mar 19, 2021 7:08 am
Each of the 4 students in a certain class read several books during the past month. What was the standard deviation of
by VJesus12 »
Each of the 4 students in a certain class read several books during...
0
Last post by VJesus12
Fri Mar 19, 2021 6:54 am
Is \(x>0?\)
by VJesus12 »
Is \(x>0?\) (1) \(x^2>0\) (2) \(|x|>0\) Answer: E Source:...
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Last post by VJesus12
Fri Mar 19, 2021 6:48 am
After winning \(50\) percent of the first \(20\) games it played, Team \(A\) won all of the remaining games it played.
by VJesus12 »
After winning \(50\) percent of the first \(20\) games it played,...
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Last post by VJesus12
Fri Mar 19, 2021 6:41 am
What was the percentage change in the simple average profit per car sold by dealer \(X\) from \(2000\) to \(2009?\)
by VJesus12 »
What was the percentage change in the simple average profit per car...
0
Last post by VJesus12
Fri Mar 19, 2021 6:37 am
Pam owns an inventory of unopened packages of corn and rice, which she has purchased for $17 and $13 per package, respec
by VJesus12 »
Pam owns an inventory of unopened packages of corn and rice, which...
0
Last post by VJesus12
Fri Mar 19, 2021 6:33 am
Que: If the ratio of the numbers of men to women to children in a certain room is 5 to 3 to 7.....
by Max@Math Revolution »
Que: If the ratio of the numbers of men to women to children in a...
1
Last post by Max@Math Revolution
Thu Mar 18, 2021 9:08 pm
Que: Machine A and machine B produce toys at their constant rates, respectively. In how many hours......
by Max@Math Revolution »
Que: Machine A and machine B produce toys at their constant rates,...
1
Last post by Max@Math Revolution
Thu Mar 18, 2021 9:04 pm
Robots \(x, y,\) and \(z\) each assemble components at their respective constant rates. If \(r_x\) is the ratio of robot
by VJesus12 »
Robots \(x, y,\) and \(z\) each assemble components at their...
1
Last post by swerve
Thu Mar 18, 2021 4:57 pm
What was the median annual salary for the employees at Company X last year?
by BTGmoderatorDC »
What was the median annual salary for the employees at Company X last...
0
Last post by BTGmoderatorDC
Thu Mar 18, 2021 4:37 pm
Sets \(M\) and \(N\) contain exactly \(m\) and \(n\) elements, respectively. What is the value of \(n?\)
by VJesus12 »
Sets \(M\) and \(N\) contain exactly \(m\) and \(n\) elements,...
0
Last post by VJesus12
Thu Mar 18, 2021 12:58 pm
If \(a+b=200\) and \(a<b,\) is \(a+b>c+d?\)
by VJesus12 »
If \(a+b=200\) and \(a<b,\) is \(a+b>c+d?\) (1) \(c+d<200\)...
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Last post by VJesus12
Thu Mar 18, 2021 12:53 pm
Is quadrilateral \(PQRS\) a parallelogram?
by VJesus12 »
Is quadrilateral \(PQRS\) a parallelogram? (1) \(PQ\) is parallel to...
0
Last post by VJesus12
Thu Mar 18, 2021 12:42 pm
What is the value of \(x?\)
by Vincen »
What is the value of \(x?\) (1) \(2x+1=0\) (2) \((x+1)^2=x^2\)...
0
Last post by Vincen
Thu Mar 18, 2021 12:30 pm
The number of antelope in a certain herd increases every year at a constant rate. If there are 500 antelope in the herd
by Vincen »
The number of antelope in a certain herd increases every year at a...
0
Last post by Vincen
Thu Mar 18, 2021 12:21 pm
If all the \(N\) students of a class are classified into groups of either \(n,\) or \(n+1,\) or \(n+2\) students, every
by Vincen »
If all the \(N\) students of a class are classified into groups of...
0
Last post by Vincen
Thu Mar 18, 2021 12:14 pm
A certain bag contains red, blue, and green marbles. What is the ratio of the number of green marbles to the number of
by Vincen »
A certain bag contains red, blue, and green marbles. What is the...
0
Last post by Vincen
Thu Mar 18, 2021 12:06 pm
Some of the students enrolled at college \(T\) are part-time students and the rest are full-time. By what percent did th
by Vincen »
Some of the students enrolled at college \(T\) are part-time students...
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Last post by Vincen
Thu Mar 18, 2021 11:56 am
For what percent of those tested for a certain infection was the test accurate; that is, positive for those who had the
by Vincen »
For what percent of those tested for a certain infection was the test...
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Last post by Vincen
Thu Mar 18, 2021 11:53 am
How many of the students in a certain class are taking both a history and a science course?
by Vincen »
How many of the students in a certain class are taking both a history...
0
Last post by Vincen
Thu Mar 18, 2021 11:40 am
Is \(-3x > -3y?\)
by Vincen »
Is \(-3x > -3y?\) (1) \(x < y\) (2) \(x > 0\) Answer: A...
0
Last post by Vincen
Thu Mar 18, 2021 11:37 am
Patricia has several coins, each of which is worth either 5 cents or 25 cents. How many coins does she have?
by Vincen »
Patricia has several coins, each of which is worth either 5 cents or...
0
Last post by Vincen
Thu Mar 18, 2021 11:34 am
If \(y \ne 1,\) is \(x = 1 ?\)
by Vincen »
If \(y \ne 1,\) is \(x = 1 ?\) (1) \(x^2 + y^2 = 1\) (2) \(y = 1 -...
0
Last post by Vincen
Thu Mar 18, 2021 11:32 am
If the unit digit of the positive integer \(n\) is \(5,\) what is the tens digit of \(n?\)
by Vincen »
If the unit digit of the positive integer \(n\) is \(5,\) what is the...
0
Last post by Vincen
Thu Mar 18, 2021 11:30 am
Is \(7^x>350?\)
by Vincen »
Is \(7^x>350?\) (1) \(7^{x+1}>400\) (2) \(7^{x-1}>50\)...
0
Last post by Vincen
Thu Mar 18, 2021 11:26 am
A wooden rod is cut into two pieces. What is the length of the longer piece?
by Vincen »
A wooden rod is cut into two pieces. What is the length of the longer...
0
Last post by Vincen
Thu Mar 18, 2021 11:19 am
If \(n\) is a positive integer and \(k=5.1\cdot 10^n,\) what is the value of \(k?\)
by Vincen »
If \(n\) is a positive integer and \(k=5.1\cdot 10^n,\) what is the...
0
Last post by Vincen
Thu Mar 18, 2021 11:17 am
If \(x\) is a positive integer, is \(x\) a prime integer?
by Vincen »
If \(x\) is a positive integer, is \(x\) a prime integer? (1) \(x+1\)...
0
Last post by Vincen
Thu Mar 18, 2021 11:08 am
A certain salesperson's weekly salary is equal to a fixed base salary plus a commission that is directly proportional to
by BTGmoderatorLU »
Source: Official Guide A certain salesperson's weekly salary is...
0
Last post by BTGmoderatorLU
Thu Mar 18, 2021 4:38 am
Statistics And Sets Problems
by swerve »
Is the standard deviation of Set A greater than or equal to the...
0
Last post by swerve
Wed Mar 17, 2021 6:32 pm
In a network of car dealerships, a group of d sales directors each has a team of a sales associates. In a given month, i
by BTGmoderatorDC »
In a network of car dealerships, a group of d sales directors each...
0
Last post by BTGmoderatorDC
Wed Mar 17, 2021 5:20 pm
Max has $125 consisting of bills each worth either $5 or $20. How many bills worth $5 does Max have?
by AAPL »
Official Guide Max has $125 consisting of bills each worth either $5...
0
Last post by AAPL
Wed Mar 17, 2021 8:01 am
If Juan had a doctor's appointment on a certain day, was the appointment on a Wednesday?
by AAPL »
Official Guide If Juan had a doctor's appointment on a certain day,...
0
Last post by AAPL
Wed Mar 17, 2021 7:51 am
If j and k are positive integers, is j divisible by 6?
by BTGmoderatorDC »
If j and k are positive integers, is j divisible by 6? (1) j = (k +...
1
Last post by EngrSaifee
Tue Mar 16, 2021 9:22 pm