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Difficult Math Problem #90 - Arithmetic

by 800guy » Wed Jan 24, 2007 11:31 am

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 6:01 am

Harvey flipped a fair coin

by BTGmoderatorDC » Sun Oct 01, 2017 2:05 pm

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:59 am

Rate and Distance

by BTGmoderatorRO » Sat Sep 30, 2017 7:55 pm

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:57 am

Which of the following is equal...

by Vincen » Mon Oct 02, 2017 9:29 am

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:54 am

A set consists of 20 different....

by Vincen » Mon Oct 02, 2017 9:57 am

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:53 am

An error 2% in excess is made while measuring the side of a

by nkmungila1 » Tue Oct 03, 2017 2:37 am

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:50 am

Need help on very tough math problem!

by rnschmidt » Mon Nov 20, 2006 5:14 pm

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:09 am

algebra

by vaibhav101 » Thu Oct 05, 2017 3:00 am

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 5:07 am

GMAT Prep - Q37

by maxim730 » Wed Mar 14, 2007 6:26 pm

Last post by Scott@TargetTestPrep
Tue Jan 28, 2020 4:51 am

What is the probability that a three-digit integer corresponding with the three numbers thrown on three different d

by Max@Math Revolution » Mon Jan 27, 2020 6:20 pm

Last post by Max@Math Revolution
Mon Jan 27, 2020 6:20 pm

In the figure below, what is the ratio of the areas, △ABC : △ADE?

by Max@Math Revolution » Wed Jan 22, 2020 11:50 pm

Last post by Max@Math Revolution
Mon Jan 27, 2020 6:19 pm

A carpenter worked alone for 1 day on a job that would take

by swerve » Sat Mar 16, 2019 9:36 am

Last post by Brent@GMATPrepNow
Mon Jan 27, 2020 7:00 am

Data Sufficiency(Difficult)

by AdityaBir » Sun Jan 26, 2020 12:23 am

Last post by Jay@ManhattanReview
Sun Jan 26, 2020 10:26 pm

permutations

by crackinggmat » Tue Oct 11, 2011 10:08 am

Last post by Brent@GMATPrepNow
Sun Jan 26, 2020 9:08 am

205. A committee of three people is to be chosen from four m

by varun289 » Thu Dec 13, 2012 7:13 am

Last post by Brent@GMATPrepNow
Sun Jan 26, 2020 9:06 am

A total of s oranges

by rsarashi » Thu Jan 26, 2017 9:14 am

Last post by AdityaBir
Sun Jan 26, 2020 12:13 am

If n is the smallest integer

by BTGmoderatorDC » Wed Oct 04, 2017 1:56 pm

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 3:19 pm

Working alone, Manuel finishes cleaning

by BTGmoderatorDC » Fri Oct 06, 2017 4:36 am

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 3:17 pm

The sum of the first 50 positive even integers is 2,550.

by Vincen » Fri Sep 29, 2017 6:14 pm

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 3:16 pm

OG 10 Problem 432 on Page 134 - Probability

by weipei » Sat Jan 27, 2007 2:42 am

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 3:10 pm

PS Problem from GMATPrep

by Tsadori » Sun Jan 21, 2007 2:15 pm

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 3:09 pm

by jet1445 » Sat Jan 27, 2007 7:06 am

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 2:27 pm

The difference between a two-digit number and the number

by nkmungila1 » Tue Oct 03, 2017 2:42 am

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 2:20 pm

By approximately what percent is x greater

by Vincen » Mon Oct 02, 2017 10:08 am

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 9:38 am

A bag contains 10 red jellybeans

by Vincen » Mon Oct 02, 2017 10:43 am

Last post by Scott@TargetTestPrep
Fri Jan 24, 2020 9:37 am

If a, b, and c are consecutive integers such that a < b < c

by Brent@GMATPrepNow » Thu Jan 23, 2020 7:23 am

Last post by Brent@GMATPrepNow
Fri Jan 24, 2020 8:16 am

A computer store originally bought 1,000 modems at...

by AAPL » Mon Jan 13, 2020 11:35 am

Last post by Brent@GMATPrepNow
Fri Jan 24, 2020 7:51 am

Three students, Mark, Peter, and Wanda, are all working on the same math problem. If their individual probabilities of

by BTGmoderatorDC » Thu Jan 16, 2020 6:24 pm

Last post by Brent@GMATPrepNow
Fri Jan 24, 2020 7:49 am

The cube root of what integer power of 2 is closest to 50?

by AAPL » Sun Jan 19, 2020 8:12 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 11:08 am

Sets problem

by kvcpk » Sat Jun 05, 2010 2:47 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 11:05 am

If a is an even integer and a/18 is an odd integer, which of the following...

by BTGmoderatorLU » Sun Jan 19, 2020 3:34 pm

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 11:04 am

There are a total of 400 students at a school, which offers

by Mike@Magoosh » Mon Oct 20, 2014 10:45 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 11:01 am

A country club has 230 members, 60 of whom play tennis...

by AAPL » Mon Jan 20, 2020 7:37 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 11:00 am

Which of the following could be t if |5t â€“ 8| < 1?

by M7MBA » Sun Oct 29, 2017 7:10 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 10:59 am

Speed problem

by oks » Sat Aug 08, 2009 3:54 pm

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 10:57 am

6 horses {A,B,C,D,E,F} Participate in a race. If there are n

by GMATinsight » Thu Sep 28, 2017 5:27 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:30 am

If p and q are positive integers. . . . . . .

by Vincen » Sun Oct 08, 2017 11:13 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:29 am

The average price of an antique car

by BTGmoderatorDC » Wed Oct 11, 2017 2:38 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:24 am

If 3 and 8 are the lengths of two sides of a triangular regi

by BTGmoderatorAT » Sun Sep 24, 2017 2:53 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:23 am

Probability

by BTGmoderatorRO » Sun Oct 08, 2017 11:57 am

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:22 am

A company decreased the price

by Vincen » Wed Oct 11, 2017 5:58 pm

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:20 am

What is the remainder when 7^74 - 5^74 is divided by 24?

by Vincen » Wed Oct 11, 2017 6:40 pm

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:19 am

ABC Car Company wants to manufacture a new car known a

by vinni.k » Fri Oct 13, 2017 12:16 pm

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:18 am

Each of the integers from 0 to 9

by BTGmoderatorDC » Sat Oct 14, 2017 11:00 pm

Last post by Scott@TargetTestPrep
Thu Jan 23, 2020 9:17 am

Coordinate Geometry

by swerve » Wed Jan 22, 2020 12:00 pm

Last post by Jay@ManhattanReview
Thu Jan 23, 2020 12:14 am

Dave has no fashion sense, and will wear any combination of garments regardless of whether someone thinks they “match.”

by BTGmoderatorDC » Wed Jan 22, 2020 4:31 pm

Last post by Jay@ManhattanReview
Thu Jan 23, 2020 12:03 am

There are six cards numbered 0, 0, 1, 2, 3, and 4. How many 3-digit even numbers are possible when picking 3 car

by Max@Math Revolution » Tue Jan 21, 2020 12:20 am

Last post by Max@Math Revolution
Wed Jan 22, 2020 11:49 pm

Among integers from 1 to 50, inclusively, what is the number of the multiples of 4 or 5?

by Max@Math Revolution » Sun Jan 19, 2020 11:07 pm

Last post by Max@Math Revolution
Wed Jan 22, 2020 5:14 pm

coin flipped?

by Hano » Thu Dec 06, 2007 8:28 pm

Last post by Brent@GMATPrepNow
Wed Jan 22, 2020 4:32 pm

Is my approach correct?

by aces021 » Sun Jun 08, 2014 9:55 am

Last post by Brent@GMATPrepNow
Wed Jan 22, 2020 4:20 pm

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