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Problem Solving

Topics Posts Last Post

In how many ways can the letters of a word...

by:
In how many ways can the letters of a word 'G M A T I N S I G H T' be...

0 Tue Oct 31, 2017 9:23 am

by: swerve View latest post

If A = 10! + 12! + 14! + 16! +..........+100!...

by:
If A = 10! + 12! + 14! + 16! +..........+100!, then the highest power...

1 EXPERT REPLIES Tue Oct 31, 2017 8:17 am

by: DavidG@VeritasPrep View latest post

A unit square is circumscribed about a circle...

by:
A unit square is circumscribed about a circle. If the circumference...

1 Mon Oct 30, 2017 11:07 pm

by: dabral View latest post

If the degree measures of two angles of an...

by:
If the degree measures of two angles of an isosceles triangle are in...

1 EXPERT REPLIES Mon Oct 30, 2017 2:25 pm

by: Rich.C@EMPOWERgmat.com View latest post

The average of two numbers is π/2...

by:
The average of two numbers is π/2, and one of the numbers is x ....

1 EXPERT REPLIES Mon Oct 30, 2017 2:16 pm

by: Rich.C@EMPOWERgmat.com View latest post

Suppose a train travels x miles in y hours...

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Suppose a train travels x miles in y hours and 15 minutes. Its...

1 EXPERT REPLIES Mon Oct 30, 2017 2:12 pm

by: Rich.C@EMPOWERgmat.com View latest post

A game is played with a six sided, regularly numbered...

by:
A game is played with a six sided, regularly numbered fair die. A...

0 Mon Oct 30, 2017 9:49 am

by: AAPL View latest post

500 ps test6 #20

by:
Hi, I though the answer is 10P9 C) but the correct answer is D)........

7 EXPERT REPLIES Mon Oct 30, 2017 8:47 am

by: Brent@GMATPrepNow View latest post

What is the greatest prime factor

by:
$$What is the greatest prime factor of\ \ \left(2^4\right)^2\ -\ 1?$$...

2 EXPERT REPLIES Mon Oct 30, 2017 8:43 am

by: Brent@GMATPrepNow View latest post

Official GMATprep trial exam question 4

by:
Can someone provide me with the rule for this one?

1 EXPERT REPLIES Mon Oct 30, 2017 8:30 am

by: Brent@GMATPrepNow View latest post

In the sequence a_1=2017 and . . .

by:
In the sequence $$a_1=2017\ and\ a_n=\frac{a_{n-1}-1}{a_{n-1}}$$,...

1 EXPERT REPLIES Mon Oct 30, 2017 7:39 am

by: ErikaPrepScholar View latest post

Difficult Math Problem #106 - Combinations

by:
If 10 persons meet at a reunion and each person shakes hands exactly...

9 EXPERT REPLIES Mon Oct 30, 2017 7:36 am

by: Brent@GMATPrepNow View latest post

ps 400 test7 #14

by:
Hi, The answer is C) but I don't seem to get the same answer.... Can...

4 Sun Oct 29, 2017 2:18 pm

by: BTGmoderatorRO View latest post

500 ps

by:
Hi, The answer is B)... but could anyone explain pls? thanks!...

4 Sun Oct 29, 2017 2:03 pm

by: BTGmoderatorRO View latest post

700+ Challenge Problem, June 26, 2006

by:
Most of our students Manhattan GMAT are trying to break the 700+...

6 Sun Oct 29, 2017 1:58 pm

by: BTGmoderatorRO View latest post

Difficult Math Problem #114 - Combinations

by:
A group of 8 friends want to play doubles tennis. How many different...

9 Sun Oct 29, 2017 10:14 am

by: BTGmoderatorRO View latest post

In how many categories did the total number of items...

by:
In how many categories did the total number of items (import and...

1 EXPERT REPLIES Sun Oct 29, 2017 9:44 am

by: Rich.C@EMPOWERgmat.com View latest post

ps 500 test7 # 10

by:
Hi, I thought the answer was A) but turned out to be B).... can you...

4 Sun Oct 29, 2017 9:31 am

by: BTGmoderatorRO View latest post

If n=1 and (m-n) / p=2, then which of the following . . .

by:
If n=1 and (m-n) / p=2, then which of the following is not a possible...

1 EXPERT REPLIES Sun Oct 29, 2017 9:15 am

by: EconomistGMATTutor View latest post

The various prices that a certain product were sold...

by:
$10, $11, $11, $12, $12, $14, $16, $17, $21, $22 The various prices...

1 EXPERT REPLIES Sun Oct 29, 2017 9:09 am

by: EconomistGMATTutor View latest post

If a rectangle With Width 49.872 inches and length 30.64. .

by:
If a rectangle With Width 49.872 inches and length 30.64 inches has...

1 EXPERT REPLIES Sun Oct 29, 2017 8:54 am

by: EconomistGMATTutor View latest post

Which of the following could be t if |5t - 8| < 1?

by:
Which of the following could be t if |5t - 8| < 1? A. 5/8 B. 5/4...

1 EXPERT REPLIES Sun Oct 29, 2017 8:42 am

by: EconomistGMATTutor View latest post

Two cities X and Y lie on a straight line

by:
Two cities X and Y lie on a straight line. Two men P and Q left...

0 Sun Oct 29, 2017 6:40 am

by: BTGmoderatorDC View latest post

At College X, the faculty-to-student ratio is 1:9

by:
At college X, the ratio of faculty to students is 1:9. If two thirds...

3 EXPERT REPLIES Sun Oct 29, 2017 6:39 am

by: Jeff@TargetTestPrep View latest post

Adam, Bob, Carol, Diane, and Ed

by:
Adam, Bob, Carol, Diane, and Ed are all sitting on a bench. If Adam...

2 EXPERT REPLIES Sun Oct 29, 2017 6:38 am

by: Jeff@TargetTestPrep View latest post

How many trailing Zeroes does 53! + 54! have?

by:
How many trailing Zeroes does 53! + 54! have? (A) 12 (B) 13 (C) 14...

3 EXPERT REPLIES Sun Oct 29, 2017 6:36 am

by: Jeff@TargetTestPrep View latest post

Steve traveled the first 2 hours of his journey at 40 mph...

by:
Steve traveled the first 2 hours of his journey at 40 mph and the...

3 EXPERT REPLIES Sun Oct 29, 2017 6:27 am

by: Jeff@TargetTestPrep View latest post

The wages earned by Robin is 30% more than...

by:
The wages earned by Robin is 30% more than that earned by Erica. The...

4 EXPERT REPLIES Sun Oct 29, 2017 6:26 am

by: Jeff@TargetTestPrep View latest post

A cylindrical canister in a rectangular box- volume

by:
The inside dimensions of a rectangular wooden box are 6 inches by 8...

9 EXPERT REPLIES Sun Oct 29, 2017 12:32 am

by: gopalsbhati View latest post

Arithmetic

by:
Which of the following is the closest approximation to $$\frac{\left...

1 EXPERT REPLIES Sat Oct 28, 2017 2:45 pm

by: EconomistGMATTutor View latest post

Divisibility/factors

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How many multiples of 5 are there between 81 and 358? A. 54 B. 55 C....

1 EXPERT REPLIES Sat Oct 28, 2017 2:28 pm

by: EconomistGMATTutor View latest post

Prime factors/number properties

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If {x} is the product of all even integers from 1 to x inclusive,...

1 EXPERT REPLIES Sat Oct 28, 2017 1:54 pm

by: EconomistGMATTutor View latest post

A salesman sold vacuum cleaners with a special 30-day...

by:
A salesman sold vacuum cleaners with a special 30-day, money-back...

1 EXPERT REPLIES Sat Oct 28, 2017 1:42 pm

by: EconomistGMATTutor View latest post

Word problems

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A telecom company charges in the following manner each call costs a...

1 EXPERT REPLIES Sat Oct 28, 2017 1:13 pm

by: EconomistGMATTutor View latest post

Algebra

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John is one year older than three times Linda's age. If their ages...

1 EXPERT REPLIES Sat Oct 28, 2017 11:13 am

by: Rich.C@EMPOWERgmat.com View latest post

Paul's average bowling score for a series was...

by:
Paul's average bowling score for a series was 164 and Dave's was 158....

1 EXPERT REPLIES Sat Oct 28, 2017 10:56 am

by: Rich.C@EMPOWERgmat.com View latest post

If n is positive and less than 1...

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If n is positive and less than 1, then which of the following is...

1 EXPERT REPLIES Sat Oct 28, 2017 10:52 am

by: Rich.C@EMPOWERgmat.com View latest post

set problem

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How many different subsets of the set {10, 14, 17, 24} are there that...

1 EXPERT REPLIES Sat Oct 28, 2017 10:49 am

by: EconomistGMATTutor View latest post

In a certain store, the ratio of part-time workers...

by:
In a certain store, the ratio of part-time workers to full-time...

1 EXPERT REPLIES Sat Oct 28, 2017 10:45 am

by: Rich.C@EMPOWERgmat.com View latest post

The numbers of products a store sold on...

by:
The numbers of products a store sold on 4 consecutive days were x, x...

1 EXPERT REPLIES Sat Oct 28, 2017 10:38 am

by: Rich.C@EMPOWERgmat.com View latest post

Algebra

by:
Hugo lies on top of a building, throwing pennies straight down to the...

1 EXPERT REPLIES Sat Oct 28, 2017 10:31 am

by: EconomistGMATTutor View latest post

Arithmetic- roots

by:
$$\sqrt{\left }\ is\ closest\ to\ which\ of\ the\ following?$$ A....

1 EXPERT REPLIES Sat Oct 28, 2017 9:51 am

by: EconomistGMATTutor View latest post

Which has the largest value?

by:
Which has the largest value? a) 1/5 +1/5+ 1/5 b) 3/5*2/5 - 4/5*1/5 c)...

0 Sat Oct 28, 2017 8:17 am

by: BTGmoderatorLU View latest post

Algebra

by:
It takes 30 days to fill a laboratory dish with bacteria. If the size...

1 EXPERT REPLIES Sat Oct 28, 2017 3:44 am

by: EconomistGMATTutor View latest post

Number properties

by:
What is the least possible product of 5 different integers, each of...

1 EXPERT REPLIES Sat Oct 28, 2017 3:32 am

by: EconomistGMATTutor View latest post

Inequalities

by:
If a is less than b, which of the following numbers is greater than a...

2 EXPERT REPLIES Sat Oct 28, 2017 3:24 am

by: EconomistGMATTutor View latest post

A certain office supply store stocks 2

by:
A certain office supply store stocks 2 sizes of self-stick notepads,...

1 EXPERT REPLIES Sat Oct 28, 2017 3:21 am

by: GMATGuruNY View latest post

Each bead in an urn is marked with...

by:
Each bead in an urn is marked with a distinct positive integer and...

1 EXPERT REPLIES Sat Oct 28, 2017 3:08 am

by: EconomistGMATTutor View latest post

Functions

by:
Let function f(x)=(x-a)(x-b). If f(10)=f(20)=0, f(30)=? A. 50 B. 100...

1 EXPERT REPLIES Sat Oct 28, 2017 3:06 am

by: GMATGuruNY View latest post

The number of diagonals of two different regular...

by:
The number of diagonals of two different regular polygons each...

1 EXPERT REPLIES Sat Oct 28, 2017 2:25 am

by: EconomistGMATTutor View latest post

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