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Data Sufficiency

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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) \(c+d<200\)...
0
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...
0
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...
0
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
Point P is a point inside triangle ABC. Is triangle ABC equilateral?
by BTGmoderatorLU »
Source: Magoosh Triangle with interior point.png Point P is a point...
0
Last post by BTGmoderatorLU
Tue Mar 16, 2021 6:04 pm
A chef mixes P ounces of 60% sugar solution with Q ounces of a 10% sugar solution to produce R ounces of a 25% sugar...
by BTGmoderatorLU »
Source: Magoosh A chef mixes P ounces of 60% sugar solution with Q...
0
Last post by BTGmoderatorLU
Tue Mar 16, 2021 5:59 pm
How many cats, c, does Eleanor own?
by BTGmoderatorDC »
How many cats, c, does Eleanor own? (1) c^2 = 5c + 14 (2) 3c^2 = 22c...
0
Last post by BTGmoderatorDC
Tue Mar 16, 2021 5:24 pm
In an endurance race, a car drove the whole race at a constant speed of 3 miles per minute to cover the total race
by BTGmoderatorDC »
In an endurance race, a car drove the whole race at a constant speed...
1
Last post by swerve
Tue Mar 16, 2021 10:28 am
Que: What is the total number of golf clubs that Paul and Mike have?
by Max@Math Revolution »
Que: What is the total number of golf clubs that Paul and Mike have?...
1
Last post by Max@Math Revolution
Mon Mar 15, 2021 8:47 pm
Que: If x is an integer, is \(x^3-x\) a multiple of 12?
by Max@Math Revolution »
Que: If x is an integer, is \(x^3-x\) a multiple of 12? (1) x- 1 is...
1
Last post by Max@Math Revolution
Mon Mar 15, 2021 8:43 pm
How much greater is the square of the sum of three different positive integers than the sum of their squares?
by AAPL »
Manhattan Prep How much greater is the square of the sum of three...
0
Last post by AAPL
Mon Mar 15, 2021 11:13 am
A tire store offered customers a 25 percent rebate on all tires purchased during a certain weekend...
by AAPL »
Manhattan Prep A tire store offered customers a 25 percent rebate on...
0
Last post by AAPL
Mon Mar 15, 2021 11:00 am
In the figure above, point X lies inside the circle with center O and radius 2. Does point Y lie on
by BTGmoderatorDC »
1.png In the figure above, point X lies inside the circle with...
0
Last post by BTGmoderatorDC
Sun Mar 14, 2021 11:58 pm
Can the total number of integers that divide \(x\) be expressed in the form of \(2k+1,\) where \(k\) is a positive inte
by Gmat_mission »
Can the total number of integers that divide \(x\) be expressed in...
0
Last post by Gmat_mission
Sun Mar 14, 2021 7:49 am
If \(x\) is an integer and \(|x-3|+|x+4|\le |x+8|,\) what is the value of \(x ?\)
by Gmat_mission »
If \(x\) is an integer and \(|x-3|+|x+4|\le |x+8|,\) what is the...
0
Last post by Gmat_mission
Sun Mar 14, 2021 7:46 am
Is \(x\) a digit (an integer from \(0\) to \(9)?\)
by Gmat_mission »
Is \(x\) a digit (an integer from \(0\) to \(9)?\) (1) \(x^2 = x^3\)...
0
Last post by Gmat_mission
Sun Mar 14, 2021 7:44 am
A company had \(1000\) employees at the beginning of the year \(2011.\) If \(p\) percent of the employees present at the
by Gmat_mission »
A company had \(1000\) employees at the beginning of the year...
0
Last post by Gmat_mission
Sun Mar 14, 2021 7:42 am
List \(A\) consists of five distinct integers. Is the range of the numbers in list \(A\) greater than \(8?\)
by Gmat_mission »
List \(A\) consists of five distinct integers. Is the range of the...
0
Last post by Gmat_mission
Sun Mar 14, 2021 7:37 am
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
Sun Mar 14, 2021 7:32 am
If \(x\) is not equal to \(0\) or \(-1,\) what is the value of \(|x-2|?\)
by Gmat_mission »
If \(x\) is not equal to \(0\) or \(-1,\) what is the value of...
0
Last post by Gmat_mission
Sun Mar 14, 2021 5:43 am
Two cyclists start moving simultaneously from opposite ends of a straight track towards each other back and forth. Cycli
by M7MBA »
Two cyclists start moving simultaneously from opposite ends of a...
0
Last post by M7MBA
Sun Mar 14, 2021 5:38 am
Is the integer \(n\) a multiple of \(140?\)
by M7MBA »
Is the integer \(n\) a multiple of \(140?\) (1) \(n\) is a multiple...
0
Last post by M7MBA
Sun Mar 14, 2021 5:35 am
If \(xyz \ne 0,\) what is the value of \(\dfrac{x}{y^2}?\)
by M7MBA »
If \(xyz \ne 0,\) what is the value of \(\dfrac{x}{y^2}?\) (1)...
0
Last post by M7MBA
Sun Mar 14, 2021 5:32 am
What is the value of integer \(x?\)
by M7MBA »
What is the value of integer \(x?\) (1) \(2x^2+9<9x\) (2)...
0
Last post by M7MBA
Sun Mar 14, 2021 5:29 am
Is \(x+y>0 ?\)
by M7MBA »
Is \(x+y>0 ?\) (1) \(xy>0\) (2) \(x^3y^2>0\) Answer: C...
0
Last post by M7MBA
Sun Mar 14, 2021 5:26 am
In a certain class of 5 students, the average (arithmetic mean) weight of any two students in the group is less than 70
by M7MBA »
In a certain class of 5 students, the average (arithmetic mean)...
0
Last post by M7MBA
Sun Mar 14, 2021 5:23 am
If \(m\) and \(n\) are positive integers, is \(\dfrac{m}{n}=\dfrac37?\)
by M7MBA »
If \(m\) and \(n\) are positive integers, is...
0
Last post by M7MBA
Sun Mar 14, 2021 5:21 am