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Problem Solving

Topics Posts Last Post

Probability

by:
Joshua and Jose work at an auto repair center with 4 other workers....

4 EXPERT REPLIES Sun Sep 17, 2017 5:12 pm

by: Matt@VeritasPrep View latest post

Upstream-downstream question

by:
Can somebody pls suggest a short method for solving this question: Q...

8 EXPERT REPLIES Sun Sep 17, 2017 10:12 am

by: SANTOSH MOHANTY View latest post

How must a grocer mix 4 types . . .

by:
How must a grocer mix 4 types of peanuts worth 54 c, 72 c, $1.2 and...

1 EXPERT REPLIES Sun Sep 17, 2017 10:08 am

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

Problem solving

by:
If X = -|Y| and X-Y =-10, what is Y? A. -5 or +5 B. -10 C. 0 D. -5 E....

1 EXPERT REPLIES Sun Sep 17, 2017 6:46 am

by: Jay@ManhattanReview View latest post

Algebra

by:
S is the set of all fractions defined by the formula n/(n + 1), where...

2 EXPERT REPLIES Sun Sep 17, 2017 6:28 am

by: Brent@GMATPrepNow View latest post

Geometry

by:
If 20 circular pepperoni slices each with a 1 inch-diameter cover a...

1 EXPERT REPLIES Sun Sep 17, 2017 6:18 am

by: Jay@ManhattanReview View latest post

Mixture problems

by:
Two kinds of Vodka are mixed in the ratio 1:2 and 2:1 and they are...

1 EXPERT REPLIES Sun Sep 17, 2017 5:57 am

by: Jay@ManhattanReview View latest post

Difficult Math Question #24 - Arithmetic

by:
OA coming after some people have answered.. The dimensions of a...

3 Sat Sep 16, 2017 6:53 pm

by: BTGmoderatorRO View latest post

Difficult Math Problem #92 - Sets

by:
OA coming after some people provide answers. this comes from the...

5 EXPERT REPLIES Sat Sep 16, 2017 6:21 pm

by: BTGmoderatorRO View latest post

Problem solving

by:
If x is less than 2, which of the following statements are always...

2 EXPERT REPLIES Sat Sep 16, 2017 11:40 am

by: BTGmoderatorRO View latest post

Freddy has a piece of string that is 20 inches. . .

by:
Freddy has a piece of string that is 20 inches long. He wants to use...

1 EXPERT REPLIES Sat Sep 16, 2017 10:52 am

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

OG2015 PS If a, b, and

by:
If a, b, and c are consecutive positive integers and a < b < c,...

1 EXPERT REPLIES Sat Sep 16, 2017 10:45 am

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

John can complete a given task in 20 days.

by:
John can complete a given task in 20 days. Jane will take only 12...

1 EXPERT REPLIES Fri Sep 15, 2017 7:16 pm

by: GMATGuruNY View latest post

NUMBERS

by:
Find the greatest number that will divide 43,91 and 183 so as to...

2 EXPERT REPLIES Fri Sep 15, 2017 10:39 am

by: regor60 View latest post

NUMBERS

by:
The number of number-pairs lying between 40 and 100 with their H.C.F...

1 EXPERT REPLIES Fri Sep 15, 2017 10:38 am

by: Brent@GMATPrepNow View latest post

NUMBERS

by:
M when factorized is written as M=a^6 x b^3 x c^5. Find the total...

1 EXPERT REPLIES Fri Sep 15, 2017 10:22 am

by: Brent@GMATPrepNow View latest post

NUMBERS

by:
The difference between the squares of two consecutive odd integers is...

2 EXPERT REPLIES Fri Sep 15, 2017 10:03 am

by: Brent@GMATPrepNow View latest post

NUMBERS

by:
In dividing a number by 585, a student employed the method of short...

0 Fri Sep 15, 2017 9:51 am

by: vaibhav101 View latest post

NUMBERS

by:
The least number, which when divided by 48,60,72,108 and 140 leaves...

0 Fri Sep 15, 2017 9:44 am

by: vaibhav101 View latest post

Ana is a girl and has the same. . .

by:
Ana is a girl and has the same number of brothers as sisters. Andrew...

3 EXPERT REPLIES Fri Sep 15, 2017 9:34 am

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

A box contains four coins, of which two . . .

by:
A box contains four coins, of which two coins have heads on both...

2 EXPERT REPLIES Fri Sep 15, 2017 9:20 am

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

A circle has a center at P = (-4, 4) . . .

by:
A circle has a center at P = (-4, 4) and passes through the point (2,...

1 EXPERT REPLIES Thu Sep 14, 2017 10:23 pm

by: Jay@ManhattanReview View latest post

If n^m leaves a remainder of 1 after . . .

by:
If n^m leaves a remainder of 1 after division by 7 for all positive...

1 EXPERT REPLIES Thu Sep 14, 2017 1:32 pm

by: Brent@GMATPrepNow View latest post

The function f is defined for each positive...

by:
The function f is defined for each positive three-digit integer n by...

1 EXPERT REPLIES Wed Sep 13, 2017 6:35 pm

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

OG2015 PS In the rectangular solid

by:
In the rectangular solid above, the three sides shown have areas 12,...

1 EXPERT REPLIES Wed Sep 13, 2017 7:32 am

by: Brent@GMATPrepNow View latest post

Difficult Math Question #56 - Number Theory

by:
How many 3-digit numerals begin with a digit that represents a prime...

5 EXPERT REPLIES Tue Sep 12, 2017 12:42 pm

by: ErikaPrepScholar View latest post

The function f is defined for each positive three-digit inte

by:
The function f is defined for each positive three-digit integer n by...

1 EXPERT REPLIES Tue Sep 12, 2017 8:07 am

by: DavidG@VeritasPrep View latest post

AL and Ben

by:
Al and Ben are drivers for SD Trucking Company. One snowy day, Ben...

1 EXPERT REPLIES Mon Sep 11, 2017 7:30 pm

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

Find a possible value of a+b given the equations

by:
If ax+by=17ax+by=17 , 2ax+3by=432ax+3by=43 and 3x=2y3x=2y, which of...

1 EXPERT REPLIES Mon Sep 11, 2017 1:28 pm

by: Brent@GMATPrepNow View latest post

triangular region

by:
A certain right triangle has sides of length x, y, and z, where x...

7 EXPERT REPLIES Mon Sep 11, 2017 1:16 pm

by: Brent@GMATPrepNow View latest post

Figures X and Y above (OG2016)

by:
Figures X and Y above show how eight identical triangular pieces of...

3 EXPERT REPLIES Mon Sep 11, 2017 12:23 pm

by: Brent@GMATPrepNow View latest post

If a 30%-solution of alcohol was mixed with

by:
If a 30%-solution of alcohol was mixed with a 50%-solution of alcohol...

6 EXPERT REPLIES Mon Sep 11, 2017 10:20 am

by: Scott@TargetTestPrep View latest post

OG2016 PS A positive number x

by:
A positive number x is multiplied by 2, and this product is then...

8 EXPERT REPLIES Mon Sep 11, 2017 10:20 am

by: Scott@TargetTestPrep View latest post

multiples of 7

by:
What is the sum of the multiples of 7 from 84 to 140, inclusive?...

9 EXPERT REPLIES Mon Sep 11, 2017 10:19 am

by: Scott@TargetTestPrep View latest post

Time rate and distance

by:
The question had me stumped because i forgot which formula i had to...

8 EXPERT REPLIES Mon Sep 11, 2017 10:15 am

by: Scott@TargetTestPrep View latest post

At 15:00 there were 20 students

by:
At 15:00 there were 20 students in the computer lab. At 15:03 and...

1 EXPERT REPLIES Mon Sep 11, 2017 7:36 am

by: DavidG@VeritasPrep View latest post

For any four digit number

by:
For any four digit number, abcd, *abcd*= (3^a)(5^b)(7^c)(11^d). What...

2 EXPERT REPLIES Mon Sep 11, 2017 6:42 am

by: GMATGuruNY View latest post

Set problem

by:
There are 70 students in Math or English or German. Exactly 40 are in...

1 EXPERT REPLIES Mon Sep 11, 2017 6:20 am

by: Jay@ManhattanReview View latest post

Winners of medals.

by:
This year, x people won an Olympic medal for water competitions....

1 EXPERT REPLIES Sun Sep 10, 2017 3:24 pm

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

Probability

by:
A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks....

1 EXPERT REPLIES Sun Sep 10, 2017 3:21 pm

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

Which of the following is the closest to...

by:
Which of the following is the closest to 11*10^10-4*10^4 ? A. 10^2 B....

1 EXPERT REPLIES Sun Sep 10, 2017 3:19 pm

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

COMBINATION Problem

by:
What is the number of different ways to choose a chairman, two...

1 EXPERT REPLIES Sun Sep 10, 2017 3:11 pm

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

If x > y, x < 6, and y > -3

by:
If x > y, x < 6, and y > -3, what is the largest prime...

1 EXPERT REPLIES Sun Sep 10, 2017 1:38 pm

by: GMATGuruNY View latest post

How many zeros are at the end of 380! ?

by:
How many zeros are at the end of 380! ? (A) 90 (B) 91 (C) 94 (D) None...

1 EXPERT REPLIES Sun Sep 10, 2017 10:41 am

by: GMATGuruNY View latest post

Problem solving

by:
Which of the following option is correct when (6(x^3)(y^3))^4 +...

1 EXPERT REPLIES Sun Sep 10, 2017 10:22 am

by: Brent@GMATPrepNow View latest post

If n is the sum of the integers from -203 to 200, inclusive,

by:
If n is the sum of the integers from -203 to 200, inclusive, then n =...

2 EXPERT REPLIES Sat Sep 09, 2017 10:09 am

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

Engine A can work 5 hours on 10 liters of fuel

by:
Engine A can work 5 hours on 10 liters of fuel while engine B can...

3 EXPERT REPLIES Sat Sep 09, 2017 12:47 am

by: Jay@ManhattanReview View latest post

How many ways can six friends be arranged around a circular?

by:
How many ways can six friends be arranged around a circular dinner...

1 EXPERT REPLIES Sat Sep 09, 2017 12:36 am

by: Jay@ManhattanReview View latest post

The area bounded by the curves |x + y| = 1 and |x - y| = 1

by:
The area bounded by the curves |x + y| = 1 and |x - y| = 1 is A. 3 B....

1 EXPERT REPLIES Sat Sep 09, 2017 12:14 am

by: Jay@ManhattanReview View latest post

In a sample of college students, 40 percent are third...

by:
In a sample of college students, 40 percent are third year students...

1 EXPERT REPLIES Fri Sep 08, 2017 11:53 pm

by: Jay@ManhattanReview View latest post

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