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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
2
Last post by gentvenus
Wed Sep 09, 2020 12:49 pm
If after 200 grams of water were added to the 24%-solution of alcohol, the strength of the solution decreased by one-thi
by VJesus12 »
If after 200 grams of water were added to the 24%-solution of...
0
Last post by VJesus12
Thu May 13, 2021 7:05 am
There are three types of zinc-aluminum alloy, \(M_1, M_2\) and \(M_3,\) with \(10\%, 40\%\) and \(70\%\) concentration
by VJesus12 »
There are three types of zinc-aluminum alloy, \(M_1, M_2\) and...
0
Last post by VJesus12
Thu May 13, 2021 7:02 am
If \(x\) and \(y\) are positive numbers and \(z = xy^2,\) a \(50\) percent increase in \(x\) and a \(20\) percent decrea
by VJesus12 »
If \(x\) and \(y\) are positive numbers and \(z = xy^2,\) a \(50\)...
0
Last post by VJesus12
Thu May 13, 2021 6:56 am
If integer \(k\) is equal to the sum of all even multiples of \(15\) between \(295\) and \(615,\) what is the greatest
by VJesus12 »
If integer \(k\) is equal to the sum of all even multiples of \(15\)...
0
Last post by VJesus12
Thu May 13, 2021 6:51 am
Line segments \(AB\) and \(CD\) are of equal length and perpendicular bisectors of one another. If a line segment is dra
by VJesus12 »
Line segments \(AB\) and \(CD\) are of equal length and perpendicular...
0
Last post by VJesus12
Thu May 13, 2021 6:48 am
A cylinder of height \(h\) is \(\dfrac34\) of water. When all of the water is poured into an empty cylinder whose radius
by VJesus12 »
A cylinder of height \(h\) is \(\dfrac34\) of water. When all of the...
0
Last post by VJesus12
Thu May 13, 2021 6:43 am
At the end of year \(X,\) automobile installment credit accounted for \(36\%\) of all outstanding consumer installment
by VJesus12 »
At the end of year \(X,\) automobile installment credit accounted for...
0
Last post by VJesus12
Thu May 13, 2021 6:41 am
If \(x\) is an integer, then \(x(x - 1)(x - k)\) must be evenly divisible by three when \(k\) is any of the following
by VJesus12 »
If \(x\) is an integer, then \(x(x - 1)(x - k)\) must be evenly...
0
Last post by VJesus12
Thu May 13, 2021 6:38 am
Four concentric circles share the same center. The smallest circle has a radius of \(1\) inch. For \(n\) greater than
by VJesus12 »
Four concentric circles share the same center. The smallest circle...
0
Last post by VJesus12
Thu May 13, 2021 6:36 am
If \((25\sqrt5)^x=(\sqrt[3]{5})^{x+1},\) what does \(x\) equal
by VJesus12 »
If \((25\sqrt5)^x=(\sqrt {5})^{x+1},\) what does \(x\) equal (A)...
0
Last post by VJesus12
Thu May 13, 2021 6:31 am
If the range of the six numbers \(4, 3, 14, 7, 10\) and \(x\) is \(12,\) what is the difference between the greatest
by VJesus12 »
If the range of the six numbers \(4, 3, 14, 7, 10\) and \(x\) is...
0
Last post by VJesus12
Thu May 13, 2021 6:27 am
The total cost for Company \(X\) to produce a batch of tools is \(\$10,000\) plus \(\$3\) per tool. Each tool sells for
by Vincen »
The total cost for Company \(X\) to produce a batch of tools is...
0
Last post by Vincen
Thu May 13, 2021 6:22 am
Find the range of values of \(x\) that satisfy the inequality \((x-3)^2(x+1)^5(x^2-9)<0.\)
by Vincen »
Find the range of values of \(x\) that satisfy the inequality...
0
Last post by Vincen
Thu May 13, 2021 6:16 am
A necklace is made by stringing \(N\) individual beads together in the repeating pattern red bead, green bead, white bea
by Vincen »
A necklace is made by stringing \(N\) individual beads together in...
0
Last post by Vincen
Thu May 13, 2021 6:12 am
Bill has a set of \(6\) black cards and a set of \(6\) red cards. Each card has a number from \(1\) through \(6,\) such
by Vincen »
Bill has a set of \(6\) black cards and a set of \(6\) red cards....
0
Last post by Vincen
Thu May 13, 2021 6:09 am
In how many ways can 3 different prizes be distributed among 5 students when no student gets all the prizes?
by Vincen »
In how many ways can 3 different prizes be distributed among 5...
0
Last post by Vincen
Thu May 13, 2021 6:05 am
Peter and Tom shared the driving on a certain trip. If Peter and Tom both drove for the same amount of time, but Peter
by Vincen »
Peter and Tom shared the driving on a certain trip. If Peter and Tom...
0
Last post by Vincen
Thu May 13, 2021 6:03 am
Chelsea has a bookshelf consisting of ten classics: four Russian novels, three British novels, two French novels, and
by AAPL »
Magoosh Chelsea has a bookshelf consisting of ten classics: four...
0
Last post by AAPL
Thu May 13, 2021 6:01 am
The greatest common factor of \(16\) and the positive integer \(n\) is \(4,\) and the greatest common factor of \(n\)
by Vincen »
The greatest common factor of \(16\) and the positive integer \(n\)...
0
Last post by Vincen
Thu May 13, 2021 6:01 am
If \(S_n\) is the sum of first \(n\) terms of a certain sequence and \(S_n = n (n^2 + 1)\) for all positive integers.
by Vincen »
If \(S_n\) is the sum of first \(n\) terms of a certain sequence and...
0
Last post by Vincen
Thu May 13, 2021 5:58 am
A certain kennel will house 24 dogs for 7 days. Each dog requires 10 ounces of dog food per day. If the kennel purchases
by Vincen »
A certain kennel will house 24 dogs for 7 days. Each dog requires 10...
0
Last post by Vincen
Thu May 13, 2021 5:54 am
If Susan takes \(9\) seconds to run \(y\) yards, how many minutes will it take her to run \(x\) yards at the same rate?
by Vincen »
If Susan takes \(9\) seconds to run \(y\) yards, how many minutes...
0
Last post by Vincen
Thu May 13, 2021 5:52 am
Region \(R\) is a square in the \(xy\)-plane with vertices \(J = (-1, -2), K = (-1, 4), L = (5, 4),\) and
by Vincen »
Region \(R\) is a square in the \(xy\)-plane with vertices \(J = (-1,...
0
Last post by Vincen
Thu May 13, 2021 5:48 am
A retail appliance store priced a video recorder at 20 percent above the wholesale cost of $200. If a store employee app
by Vincen »
A retail appliance store priced a video recorder at 20 percent above...
0
Last post by Vincen
Thu May 13, 2021 5:42 am
\(A\) and \(B\) are two laborers who have been given the task to build a house. \(A\) can build a house in \(20\) days
by Vincen »
\(A\) and \(B\) are two laborers who have been given the task to...
0
Last post by Vincen
Thu May 13, 2021 5:40 am
If k is an odd integer, which of the following must be an even integer?
by AAPL »
Magoosh If k is an odd integer, which of the following must be an...
0
Last post by AAPL
Thu May 13, 2021 5:38 am
0
Last post by Vincen
Thu May 13, 2021 5:35 am
If \(\dfrac{m}{n} = \dfrac38\) then which of the following cannot be the value of \(n - m ?\)
by Vincen »
If \(\dfrac{m}{n} = \dfrac38\) then which of the following cannot be...
0
Last post by Vincen
Thu May 13, 2021 5:33 am
A vending machine is designed to dispense 8 ounces of coffee into a cup. After a test that recorded the number of ounces
by AAPL »
GMAT Prep 7.51 8.22 7.86 8.36 8.09 7.83 8.30 8.01 7.73 8.25 7.96...
1
EXPERT REPLIES
Last post by [email protected]
Thu May 13, 2021 5:18 am
In a certain game of archery the points in each round for the first, second, third and fourth position were 7, 5, 3, 2.
by BTGmoderatorLU »
Source: Manhattan Prep In a certain game of archery the points in...
1
Last post by regor60
Wed May 12, 2021 11:34 am
A quadrilateral has a perimeter of 16. Which of the following alone would provide sufficient information to determine
by BTGmoderatorLU »
Source: Magoosh A quadrilateral has a perimeter of 16. Which of the...
0
Last post by BTGmoderatorLU
Wed May 12, 2021 10:02 am
How many different positive integers having six digits are there, where exactly on of the digits is a 3, exactly two
by BTGmoderatorDC »
How many different positive integers having six digits are there,...
1
Last post by swerve
Wed May 12, 2021 4:28 am
If S is the sum of the reciprocals of the consecutive integers from 91 to 100, inclusive, which of the following is less
by AAPL »
GMAT Prep If S is the sum of the reciprocals of the consecutive...
0
Last post by AAPL
Tue May 11, 2021 5:10 pm
In order to complete a reading assignment on time, Terry planned to read 90 pages per day. However, she read only 75 pag
by M7MBA »
In order to complete a reading assignment on time, Terry planned to...
3
EXPERT REPLIES
Last post by Brian_90Web
Tue May 11, 2021 1:30 am
Que: How many different prime factors of \(4^5+4^6+4^7\) are there?
by [email protected] Revolution »
Que: How many different prime factors of \(4^5+4^6+4^7\) are there?...
0
Last post by [email protected] Revolution
Mon May 10, 2021 9:26 pm
Que: If n is positive integers, what is the unit digit of \(\left(3^{4n+1}\right)\left(9^{19}\right)\)?
by [email protected] Revolution »
Que: If n is positive integers, what is the unit digit of...
1
Last post by [email protected] Revolution
Mon May 10, 2021 9:20 pm
Geometry, Probability
by swerve »
2014-10-28_2033.png \(ABCD\) is a square inscribed in a circle and...
0
Last post by swerve
Mon May 10, 2021 4:56 pm
Probability
by swerve »
If a jury of \(12\) people is to be selected randomly from a pool of...
0
Last post by swerve
Mon May 10, 2021 4:43 pm
In how many different ways can 3 fiction books and 3 non-fiction books be arranged in a row of 6 books on a shelf such
by BTGmoderatorLU »
Source: Magoosh In how many different ways can 3 fiction books and 3...
1
EXPERT REPLIES
Last post by [email protected]
Mon May 10, 2021 6:45 am
In a certain class consisting of 36 students, some boys and some girls, exactly 1/3....
by Vincen »
In a certain class consisting of 36 students, some boys and some...
1
EXPERT REPLIES
Last post by [email protected]
Mon May 10, 2021 6:44 am
In a certain history class of 17 juniors and seniors, each junior has written 2 book reports and each senior
by Vincen »
In a certain history class of 17 juniors and seniors, each junior has...
1
EXPERT REPLIES
Last post by [email protected]
Mon May 10, 2021 6:43 am
Seven pieces of rope have an average (arithmetic mean) length of 68 centimeters and a median length of 84 centimeters...
by Vincen »
Seven pieces of rope have an average (arithmetic mean) length of 68...
1
EXPERT REPLIES
Last post by [email protected]
Mon May 10, 2021 6:43 am
Seb's watch gains 5 seconds in every 3 hours, whereas Lewis' watch losses 10 seconds in every 2 hours. If both watches
by AAPL »
E-GMAT Seb's watch gains 5 seconds in every 3 hours, whereas Lewis'...
0
Last post by AAPL
Mon May 10, 2021 5:49 am
A set consists of n positive integers arranged in decreasing order of value. If the difference between any two adjacent
by AAPL »
E-GMAT A set consists of n positive integers arranged in decreasing...
0
Last post by AAPL
Mon May 10, 2021 5:41 am
Que: If x and y are different prime numbers greater than 20 but less than 30, what is the value of x + y?
by [email protected] Revolution »
Que: If x and y are different prime numbers greater than 20 but less...
1
Last post by [email protected] Revolution
Sun May 09, 2021 11:59 pm
In a certain sequence, the term \(x_n\) is given by the formula
by Vincen »
In a certain sequence, the term \(x_n\) is given by the formula...
0
Last post by Vincen
Sun May 09, 2021 2:44 pm
If \(y = (x – 5)^2 + (x + 1)^2 – 6,\) then y is least when \(x =\)
by Vincen »
If \(y = (x - 5)^2 + (x + 1)^2 - 6,\) then y is least when \(x =\) A....
0
Last post by Vincen
Sun May 09, 2021 2:32 pm
At a certain school, the ratio of the number of second graders to the number of fourth-graders is 8 to 5, and the....
by Vincen »
At a certain school, the ratio of the number of second graders to the...
0
Last post by Vincen
Sun May 09, 2021 2:28 pm
If \(mn \neq 0\) and \(25\) percent of \(n\) equals \(37\frac{1}{2}\) percent of \(m,\) what is the value of \(\dfrac{12
by Vincen »
If \(mn \neq 0\) and \(25\) percent of \(n\) equals \(37\frac{1}{2}\)...
0
Last post by Vincen
Sun May 09, 2021 2:21 pm
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