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Puzzling probability question

by spucmu » Sat Apr 30, 2011 12:40 pm

7

Last post by Scott@TargetTestPrep
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Cats and Dogs

by karthikpandian19 » Mon Dec 26, 2011 9:43 pm

3

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How many different positive integers are factors of 225?

by M7MBA » Sun Jan 07, 2018 11:13 am

3

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In a certain city, 60 percent of the registered voters

by BTGmoderatorDC » Fri Mar 09, 2018 5:58 pm

2

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Which of the following is a factor of 1001^32 -1

by M7MBA » Fri Mar 09, 2018 9:51 am

3

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In 2008, the profits of Company N were 10 percent...

by BTGmoderatorLU » Sat Mar 10, 2018 1:50 pm

2

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In triangle XYZ, side XY, which runs perpendicular to side..

by BTGmoderatorLU » Fri Mar 09, 2018 2:59 pm

3

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Gill drives 120 miles from Los Angeles to San Diego...

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Juan goes out cycling outdoors. He travels at an average...

by BTGmoderatorLU » Fri Mar 09, 2018 3:04 pm

3

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If a large pizza has a radius that is 30% larger

by M7MBA » Fri Mar 09, 2018 9:56 am

3

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If x and y are two-digit integers such that x > 40

by Gmat_mission » Sun Mar 11, 2018 8:44 am

2

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What is the ratio of y to x if (x + 3y) / ( x - y) = 3/4?

by swerve » Mon Mar 12, 2018 10:24 am

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If 0.001 < a < 0.002 and 1,000 < b < 2,000, whic

by Max@Math Revolution » Fri Jun 07, 2019 12:55 am

1

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he sequence An satisfies An = An-1An-2, where n is a positiv

by Max@Math Revolution » Thu Jun 06, 2019 4:50 pm

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The ratio of red balls to green balls is 4:3. Three green

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In how many ways can 10 different paintings be distributed

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A real estate investment firm began the year with 80% of its

by BTGmoderatorDC » Tue May 28, 2019 9:50 pm

4

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On July 1 of last year, total employees at company E was

by BTGmoderatorLU » Tue Jun 04, 2019 3:52 pm

3

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If 272/4^6 = 1/4^m+ 1/4^n, what is the value of mn?

by Max@Math Revolution » Wed Jun 05, 2019 12:51 am

2

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Sat Jun 08, 2019 3:33 am

m and n are positive numbers. (2^m)^n = 512. What is the min

by Max@Math Revolution » Tue May 28, 2019 11:35 pm

3

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Two trees have a combined height of 60 feet, and the taller

by AAPL » Wed May 29, 2019 4:38 am

2

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If 3 different integers are randomly selected from the integ

by Brent@GMATPrepNow » Thu Jun 06, 2019 6:14 am

1

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Fri Jun 07, 2019 5:03 am

In triangle ABC, AB = 30. AC = 28. If the area of the triang

by BTGmoderatorDC » Fri Jun 07, 2019 3:47 am

0

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Steve traveled the first 2 hours of his journey...

by BTGmoderatorLU » Wed Mar 07, 2018 2:19 pm

4

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If two projectiles are launched at the same moment from...

by BTGmoderatorLU » Wed Mar 07, 2018 2:41 pm

3

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A car travels from Town A to Town B at an average speed of

by BTGmoderatorLU » Tue Jun 04, 2019 4:00 pm

1

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Thu Jun 06, 2019 5:04 pm

VIC question -- picking numbers

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6

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GMAT Prep

by Jameschan168 » Sun Sep 09, 2007 10:31 am

4

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There are 1600 jelly beans divided between two jards, X and

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2

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12

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Of the 12 temporary employees in a certain company, 4 will

by BTGmoderatorDC » Tue Jun 04, 2019 5:54 pm

3

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Thu Jun 06, 2019 4:59 pm

If Adrian mixes 15 liters of saline solution A with 5 liters

by BTGmoderatorDC » Tue Jun 04, 2019 6:12 pm

2

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Problem Solving

by BTGmoderatorRO » Sat Feb 10, 2018 3:44 am

2

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Math Q: Combination Formula??

by Sprite_TM » Tue Jan 13, 2009 1:36 pm

3

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1 + 2 + … + k = k(k+1)/2. m and n are positive integers sa

by Max@Math Revolution » Mon Jun 03, 2019 11:34 pm

1

Last post by Max@Math Revolution
Thu Jun 06, 2019 4:49 pm

x + 2y + 3z = 4 and 5x + 4y + 3z = 8. What is the value of x

by Max@Math Revolution » Tue May 28, 2019 12:43 am

3

Last post by Scott@TargetTestPrep
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10 factories, working for h hours per day, can produce P

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2

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3

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by swerve » Mon Jun 03, 2019 12:11 pm

2

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Thu Jun 06, 2019 4:38 pm

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by Brent@GMATPrepNow » Tue Jun 04, 2019 7:53 am

1

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Wed Jun 05, 2019 4:29 am

In the sequence An, A1=1，A2=2, and An+2=An+1+An+An-1+….+

by Max@Math Revolution » Sun Jun 02, 2019 11:30 pm

1

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Wed Jun 05, 2019 12:50 am

The length of one of the sides of an acute angled triangle

by BTGmoderatorDC » Mon Jun 03, 2019 4:18 am

1

Last post by Ian Stewart
Tue Jun 04, 2019 6:13 am

If k^2 = m^2, which of the following must be true?

by VJesus12 » Sat Apr 20, 2019 2:57 am

3

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m and n are integers. Which of the following cannot be the v

by Max@Math Revolution » Fri May 31, 2019 12:14 am

1

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abcd ≠ 0, a:b:c = 2:3:4, c:d = 5:6, and a + b + c – d =

by Max@Math Revolution » Thu May 30, 2019 12:25 am

1

Last post by Max@Math Revolution
Sun Jun 02, 2019 4:50 pm

A movie buff owns movies on DVD and on Blu-ray...

by BTGmoderatorLU » Tue Mar 13, 2018 3:12 pm

2

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