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Probability?
by chetanojha »
Hi, I got this question which I am finding hard to understand and...
2
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Last post by Scott@TargetTestPrep
Wed Sep 04, 2019 5:16 pm
For sets A and B, define A*B to be
by Max@Math Revolution »
For sets A and B, define A*B to be {(a, b)|a ∈ A and b ∈...
1
Last post by Max@Math Revolution
Tue Sep 03, 2019 11:29 pm
Arithmetic Probability
by dheaven1 »
Among a group of 2,500 people, 35 percent invest in municipal bonds,...
9
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Last post by palgun
Tue Sep 03, 2019 11:27 pm
#D3
by GHong14 »
The sequence a1 a2....an is such that an = (a n-1 + a n-2 )/2 for all...
5
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Last post by palgun
Tue Sep 03, 2019 11:23 pm
Mean
by GmatKiss »
The average (arithmetic mean) of the integers from 200 to 400,...
5
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Last post by palgun
Tue Sep 03, 2019 11:20 pm
Venn Diagram vs. Formula [Grp 1 + Grp 2 - Both + Neither ]
by tar32 »
A marketing firm determined that, of 200 households surveyed, 80 used...
18
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Last post by palgun
Tue Sep 03, 2019 11:16 pm
Arithmetic
by BTGmoderatorRO »
All of the students of Music High School are in the band, the...
2
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Last post by Ian Stewart
Tue Sep 03, 2019 12:34 pm
Probability
by BTGmoderatorRO »
There are 12 red balls, 10 blue balls, 15 green balls and 9 black...
1
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:37 pm
If a runner in a marathon had the 37th fastest time...
by AAPL »
If a runner in a marathon had the 37th fastest time and the 50th...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:36 pm
Probability
by BTGmoderatorRO »
In a shipment of 20 cars, 3 are found to be defective. If four cars...
1
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:36 pm
Geometry
by BTGmoderatorRO »
A thin piece of wire 40 meters long is cut into two pieces. One piece...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:34 pm
Speed and Distance.
by BTGmoderatorRO »
A train traveling at 72 kmph crosses a platform in 30 seconds and a...
1
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:33 pm
Arithmetic
by BTGmoderatorRO »
The Guests at a football banquet consumed a total of 401 pounds of...
1
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:32 pm
Algebra
by BTGmoderatorRO »
If XY + Z = X(Y+Z), then which of the following must be true? A. X=0...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:31 pm
Arithmetic
by BTGmoderatorRO »
8,000 dollars are sufficient for a family of 4 members for 40 days....
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:29 pm
A survey was sent to 80 customers, 7 of whom responded. Then
by BTGmoderatorLU »
Source: Manhattan Prep A survey was sent to 80 customers, 7 of whom...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:28 pm
Which of the following is a perfect square?
by VJesus12 »
Which of the following is a perfect square? A. 649 B. 961 C. 1664 D....
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:12 pm
If 37.5% of the 880 students at a certain college...
by swerve »
If 37.5% of the 880 students at a certain college are enrolled in...
4
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:12 pm
The ratio of the volumes of two empty pools is 5 : 3. If the
by BTGmoderatorAT »
The ratio of the volumes of two empty pools is 5 : 3. If the smaller...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:11 pm
Which of the following is the greatest
by BTGmoderatorDC »
Which of the following is the greatest possible common divisor of two...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:10 pm
The average age of a group of 5 members is 20 years...
by swerve »
The average age of a group of 5 members is 20 years. Two years later,...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:09 pm
If the radius of a cylinder is doubled and so...
by BTGmoderatorLU »
If the radius of a cylinder is doubled and so is the height, what is...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:09 pm
There are 10 points on a circle. A hexagon . . . . .
by Vincen »
There are 10 points on a circle. A hexagon can be formed by linking 6...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:08 pm
Bus 1 and Bus 2 run between cities A and B. Bus 1 leaves...
by BTGmoderatorLU »
Bus 1 and Bus 2 run between cities A and B. Bus 1 leaves city A at...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:07 pm
In a certain factory, the production line which produces...
by BTGmoderatorLU »
In a certain factory, the production line which produces the bags has...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:06 pm
If the range of the six numbers 4,3,14,7,10 and x is 12,
by BTGmoderatorDC »
If the range of the six numbers 4,3,14,7,10 and x is 12, what is the...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 6:06 pm
Annie took a trip consisting of three segments...
by BTGmoderatorLU »
Annie took a trip consisting of three segments at three different...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:59 pm
Last year Manfred received 26 paychecks...
by AAPL »
Last year Manfred received 26 paychecks. Each of his first 6...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:58 pm
What is the volume of the cylinder?
by AAPL »
A four inch by four inch square sheet of paper was foled to form a...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:58 pm
Geometry
by BTGmoderatorRO »
A closed cylindrical tank contains 36Ï€ cubic feet of water and is...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:57 pm
A tightrope approximately 320 m long is suspended between
by swerve »
A tightrope approximately 320 m long is suspended between two poles....
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:57 pm
Dave has no fashion sense, and will wear any combination of
by BTGmoderatorDC »
Dave has no fashion sense, and will wear any combination of garments...
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:56 pm
The product of \(n\) consecutive integers equals \(P\).
by AAPL »
Magoosh The product of \(n\) consecutive integers equals \(P\)....
2
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:55 pm
In Goshawk-Eurasian nature reserve 30 percent of the birds
by AAPL »
Economist GMAT In Goshawk-Eurasian nature reserve 30 percent of the...
3
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:54 pm
For one roll of a certain die, the probability of rolling a
by AAPL »
Manhattan Prep For one roll of a certain die, the probability of...
4
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:54 pm
How many multiples of 3 are there between 9 and 99
by uptowngirl92 »
How many multiples of 3 are there between 9 and 99 inclusive?...
5
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Last post by Scott@TargetTestPrep
Mon Sep 02, 2019 5:53 pm
A={1, 2, 3, 4, 5} is given. If there are 1,2,…,n subsets o
by Max@Math Revolution »
A={1, 2, 3, 4, 5} is given. If there are 1,2,...,n subsets of A,...
1
Last post by Max@Math Revolution
Sun Sep 01, 2019 9:11 pm
A={2, 4, 6, 8, 10} is given. What is the number of subsets o
by Max@Math Revolution »
A={2, 4, 6, 8, 10} is given. What is the number of subsets of A...
2
Last post by Max@Math Revolution
Sun Sep 01, 2019 9:09 pm
A={2, 4, 6, 8, 10} is given. How many subsets of A contain 4
by Max@Math Revolution »
A={2, 4, 6, 8, 10} is given. How many subsets of A contain 4 and 6,...
2
Last post by Max@Math Revolution
Sun Sep 01, 2019 9:08 pm
X is the set of positive integer multiples of 3, and Y is th
by Max@Math Revolution »
X is the set of positive integer multiples of 3, and Y is the set of...
2
Last post by deloitte247
Thu Aug 29, 2019 6:27 pm
A={a, b, c, d, e} is given. How many subsets of A contain at
by Max@Math Revolution »
A={a, b, c, d, e} is given. How many subsets of A contain at least...
2
Last post by Max@Math Revolution
Thu Aug 29, 2019 8:48 am
A satellite is composed of 30 modular units, each of...
by BTGmoderatorLU »
A satellite is composed of 30 modular units, each of which is...
4
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Last post by Brent@GMATPrepNow
Wed Aug 28, 2019 8:34 am
There are 125 members in the winter sports club. Of those,
by swerve »
There are 125 members in the winter sports club. Of those, 20 do not...
1
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:21 pm
Abigail is 4 times as old as Bonnie. In 6 years, Bonnie will
by BTGmoderatorDC »
Abigail is 4 times as old as Bonnie. In 6 years, Bonnie will be twice...
3
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:19 pm
There were \(r\) red balls and \(y\) yellow balls in a bag.
by AAPL »
Economist GMAT There were \(r\) red balls and \(y\) yellow balls in...
3
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:19 pm
The class mean score on a test was 60, and the standard
by BTGmoderatorDC »
The class mean score on a test was 60, and the standard deviation was...
2
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:18 pm
A certain business produced x rakes each month form November
by BTGmoderatorDC »
A certain business produced x rakes each month form November through...
3
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:18 pm
Annika hikes at a constant rate of 12 minutes per kilometer.
by BTGmoderatorDC »
Annika hikes at a constant rate of 12 minutes per kilometer. She has...
2
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:17 pm
What is the range of the solutions to the equation |x^2 –
by BTGmoderatorDC »
What is the range of the solutions to the equation |x^2 - 1| =...
2
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Last post by Scott@TargetTestPrep
Tue Aug 27, 2019 5:17 pm
A car traveled 462 miles per tankful of gasoline on the...
by swerve »
A car traveled 462 miles per tankful of gasoline on the highway and...
5
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Last post by rishab0507
Tue Aug 27, 2019 8:33 am