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If \(x, y\) and \(z\) are positive integers such that \(x^4y^3 = z^2,\) is \(x^9-y^6\) odd?
by Vincen »
If \(x, y\) and \(z\) are positive integers such that \(x^4y^3 =...
0
Last post by Vincen
Sun Jan 03, 2021 9:34 am
A 20 kilograms mixture of dry fruits consisting of x percent
by Vincen »
A \(20\) kilograms mixture of dry fruits consisting of \(x\) percent...
0
Last post by Vincen
Sun Jan 03, 2021 9:24 am
Two solutions, A and B, are produced by mixing milk
by Vincen »
Two solutions, A and B, are produced by mixing milk and water in...
0
Last post by Vincen
Sun Jan 03, 2021 9:13 am
Is \((a+b)^2\) odd?
by Vincen »
Is \((a+b)^2\) odd? (1) \(ab\) is even (2) \(\dfrac{a}{b}\) is even...
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Last post by Vincen
Sun Jan 03, 2021 9:08 am
In the \(xy\) plane, does the equation \(-x = 5y - 7\) contain the point \((a, b)?\)
by Vincen »
In the \(xy\) plane, does the equation \(-x = 5y - 7\) contain the...
0
Last post by Vincen
Sun Jan 03, 2021 9:01 am
A can complete a piece of work in \(x\) days and \(B\) can do the same piece of work in \(y\) days. If \(B\) starts work
by Vincen »
A can complete a piece of work in \(x\) days and \(B\) can do the...
0
Last post by Vincen
Sun Jan 03, 2021 8:08 am
What is the value of number \(X?\)
by Vincen »
What is the value of number \(X?\) 1) The HCF of \(X\) and \(36\) is...
0
Last post by Vincen
Sun Jan 03, 2021 7:57 am
What is the least value of the positive integer \(n?\)
by Vincen »
What is the least value of the positive integer \(n?\) I. The units...
0
Last post by Vincen
Sun Jan 03, 2021 7:50 am
In the \(xy\) plane, \(PQ\) is a straight line. The coordinate of point \(P\) is \((a, b),\) where \(a > 0.\) Does point
by Vincen »
In the \(xy\) plane, \(PQ\) is a straight line. The coordinate of...
0
Last post by Vincen
Sun Jan 03, 2021 7:46 am
If \(n\) is a positive integer, Is \(n^2 + 4n + 3\) divisible by \(4?\)
by Vincen »
If \(n\) is a positive integer, Is \(n^2 + 4n + 3\) divisible by...
0
Last post by Vincen
Sun Jan 03, 2021 7:39 am
Does the line \(px + qy = r,\) where \(p, q\) and \(r\) are integers, pass through the origin?
by Vincen »
Does the line \(px + qy = r,\) where \(p, q\) and \(r\) are integers,...
0
Last post by Vincen
Sun Jan 03, 2021 7:31 am
Julio covers the first \(r\) miles of his journey at \(x\) miles per hour and the last \(s\) miles of his journey at
by Vincen »
Julio covers the first \(r\) miles of his journey at \(x\) miles per...
0
Last post by Vincen
Sun Jan 03, 2021 7:21 am
A solution consists of only water and alcohol such that the ratio of alcohol to water in the solution is 7:3. How much
by Vincen »
A solution consists of only water and alcohol such that the ratio of...
0
Last post by Vincen
Sun Jan 03, 2021 7:15 am
If y = x^2 - 6x + 9, what is the value of x?
by BTGModeratorVI »
If y = x^2 - 6x + 9, what is the value of x? (1) y = 0 (2) x + y = 3...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Jan 03, 2021 6:42 am
Find the units digit of \(556^{17n}+339^{5m+15n},\) where \(m\) and \(n\) are positive integers.
by M7MBA »
Find the units digit of \(556^{17n}+339^{5m+15n},\) where \(m\) and...
1
Last post by deloitte247
Sat Jan 02, 2021 10:26 am
If a and b are nonzero numbers on the number line, is 0 between a and b ? (1) The distance between 0 and a is greater
by BTGmoderatorDC »
If a and b are nonzero numbers on the number line, is 0 between a and...
0
Last post by BTGmoderatorDC
Fri Jan 01, 2021 7:04 pm
If 0 < a < b, is c < 0?
by BTGModeratorVI »
If 0 < a < b, is c < 0? 1. cb < ca 2. |c| > 1 Answer:...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Jan 01, 2021 6:58 am
If x and y are positive integers, is the product xy divisible by 9?
by BTGModeratorVI »
If x and y are positive integers, is the product xy divisible by 9?...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Jan 01, 2021 6:57 am
Is a an even integer?
by BTGmoderatorDC »
Is a an even integer? (1) ab is an even integer. (2) b is an odd...
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Last post by BTGmoderatorDC
Thu Dec 31, 2020 6:19 pm
Four workers from an international charity were selling shirts at a local event yesterday. Did one of the...
by AAPL »
Veritas Prep Four workers from an international charity were selling...
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Last post by AAPL
Thu Dec 31, 2020 10:57 am
The least common multiple of positive integers p and q is 72. What is the greatest common factor of p and q?
by AAPL »
Veritas Prep The least common multiple of positive integers p and q...
0
Last post by AAPL
Thu Dec 31, 2020 10:44 am
Last school year, each of the 200 students at a certain high school attended the school for the entire year. If there we
by BTGModeratorVI »
Last school year, each of the 200 students at a certain high school...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Dec 31, 2020 6:46 am
Pat bought 5 pounds of apples. How many pounds of pears could he have bought for the same amount of money?
by AAPL »
GMAT Prep Pat bought 5 pounds of apples. How many pounds of pears...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Dec 31, 2020 6:45 am
Que: If n is a positive integer, is \(n\ \cdot\ \left(n\ -\ 1\right)\cdot\left(n\ +\ 1\right)\) divisible by 4?
by Max@Math Revolution »
Que: If n is a positive integer, is \(n\ \cdot\ \left(n\ -\...
1
Last post by Max@Math Revolution
Wed Dec 30, 2020 11:31 pm
Each baby born at a certain hospital last week was either a single birth or one of a pair twins. If x is the number of
by BTGmoderatorDC »
Each baby born at a certain hospital last week was either a single...
0
Last post by BTGmoderatorDC
Wed Dec 30, 2020 4:32 pm
Adam is one among many employees of ABC ltd., who procures shoes at an average cost of $40. His yearly procurement budge
by M7MBA »
Adam is one among many employees of ABC ltd., who procures shoes at...
1
Last post by deloitte247
Wed Dec 30, 2020 7:32 am
Each person attending a fund-raising party for a certain club was charged the same admission fee. How many people...
by AAPL »
GMAT Prep Each person attending a fund-raising party for a certain...
0
Last post by AAPL
Wed Dec 30, 2020 7:13 am
Lines k and m are parallel to each other. Is the slope of line k positive?
by BTGModeratorVI »
Lines k and m are parallel to each other. Is the slope of line k...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Dec 30, 2020 6:28 am
Four workers from an international charity were selling shirts at a local event yesterday. Did one of the workers sell
by BTGmoderatorDC »
Four workers from an international charity were selling shirts at a...
0
Last post by BTGmoderatorDC
Tue Dec 29, 2020 4:05 pm
If 1 < d < 2, is the tenths’ digit of the decimal representation of d equal to 9?
by BTGModeratorVI »
If 1 < d < 2, is the tenths’ digit of the decimal...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Tue Dec 29, 2020 2:46 pm
Set \(A\) consists of \(8\) different integers from the list \(\{1,3,5,7,9,11,13,15,17,19\}.\) What is standard deviatio
by Gmat_mission »
Set \(A\) consists of \(8\) different integers from the list...
1
Last post by deloitte247
Tue Dec 29, 2020 9:53 am
The average of 6 numbers is 8. One new number is now added to the set of 6 numbers and the arithmetic mean of the 7 numb
by Gmat_mission »
The average of 6 numbers is 8. One new number is now added to the set...
1
Last post by deloitte247
Tue Dec 29, 2020 8:25 am
Is the integer X between 20 and 26 inclusive?
by BTGModeratorVI »
Is the integer X between 20 and 26 inclusive? (1) x is multiple of 9...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Dec 28, 2020 6:31 pm
Two containers contain milk and water solutions of volume x liters and y liters, respectively. What would be the minimum
by BTGmoderatorDC »
Two containers contain milk and water solutions of volume x liters...
0
Last post by BTGmoderatorDC
Mon Dec 28, 2020 5:12 pm
Is the sum of two integers divisible by 10 ?
by BTGModeratorVI »
Is the sum of two integers divisible by 10 ? (1) One of the integers...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Dec 28, 2020 8:50 am
Robin invested a total of $12,000 in two investments, X and Y, so that the investments earned the same amount of simple
by BTGModeratorVI »
Robin invested a total of $12,000 in two investments, X and Y, so...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Dec 28, 2020 8:50 am
Is ab a prime number?
by BTGModeratorVI »
Is ab a prime number? (1) a is a prime number. (2) b is not a prime...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Dec 28, 2020 8:50 am
A circle in a coordinate plane has a center at point A and a diameter of 6. If points B and C also lie in the same
by BTGmoderatorDC »
A circle in a coordinate plane has a center at point A and a diameter...
0
Last post by BTGmoderatorDC
Sun Dec 27, 2020 4:47 pm
The decimal representation of the number is given above, where \(z\) is a positive number and \(a, b\) and \(c\) are
by Gmat_mission »
\(\dfrac{\sqrt{z}}4=a.bc\) The decimal representation of the number...
0
Last post by Gmat_mission
Sun Dec 27, 2020 3:55 pm
If \(X\) is a positive integer, what is the units digit of \(X^a?\)
by Gmat_mission »
If \(X\) is a positive integer, what is the units digit of \(X^a?\)...
0
Last post by Gmat_mission
Sun Dec 27, 2020 3:49 pm
Is the product of two integers \(A\) and \(B\) odd?
by Gmat_mission »
Is the product of two integers \(A\) and \(B\) odd? (1) \(A\) is the...
0
Last post by Gmat_mission
Sun Dec 27, 2020 3:46 pm
If \(M\) and \(x\) are positive integers greater than \(1,\) what is the unit digit of \(M^x?\)
by M7MBA »
If \(M\) and \(x\) are positive integers greater than \(1,\) what is...
0
Last post by M7MBA
Sun Dec 27, 2020 3:27 pm
Alex bought a smartwatch for $200 from his friend and sold it to another friend at a certain price. What is his actual
by M7MBA »
Alex bought a smartwatch for $200 from his friend and sold it to...
0
Last post by M7MBA
Sun Dec 27, 2020 3:24 pm
What is the \(\rm GCD\) of the numbers \(3, a,\) and \(12,\) if \(a\) is an integer and \(a \ge 3?\)
by M7MBA »
What is the \(\rm GCD\) of the numbers \(3, a,\) and \(12,\) if \(a\)...
0
Last post by M7MBA
Sun Dec 27, 2020 3:21 pm
The median of a set of \(5\) different numbers is\(x.\) If we add another set of \(5\) numbers to the existing set, will
by M7MBA »
The median of a set of \(5\) different numbers is\(x.\) If we add...
0
Last post by M7MBA
Sun Dec 27, 2020 3:15 pm
In the given figure, \(ABC\) is a triangle, and \(DEFG\) is a square. Find the area of the square.
by M7MBA »
Fig 10.jpg In the given figure, \(ABC\) is a triangle, and \(DEFG\)...
0
Last post by M7MBA
Sun Dec 27, 2020 3:11 pm
Set \(A\) contains \(n\) distinct positive integers, all greater than \(1.\) If the number of even integers in the set
by M7MBA »
Set \(A\) contains \(n\) distinct positive integers, all greater than...
0
Last post by M7MBA
Sun Dec 27, 2020 3:06 pm
150 representatives of an organization participated in a survey. 50% of all the representatives considered global warmin
by M7MBA »
150 representatives of an organization participated in a survey. 50%...
0
Last post by M7MBA
Sun Dec 27, 2020 3:01 pm
The 250 students enrolled at ABC University are taking undergraduate, graduate courses, or both. How many students...
by BTGmoderatorLU »
Source: Princeton Review The 250 students enrolled at ABC University...
1
Last post by deloitte247
Sun Dec 27, 2020 1:53 pm
If a < b, is a < c?
by BTGmoderatorDC »
If a < b, is a < c? (1) (a)(c) = 0 (2) a + b = 0 OA C Source:...
1
Last post by deloitte247
Sun Dec 27, 2020 12:22 pm