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Problem Solving

Topics Posts Last Post

How many times will the digit 7

by:
How many times will the digit 7 be written when listing the integers...

2 EXPERT REPLIES Tue Jan 03, 2017 11:04 am

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

If the President and Vice President must sit next to each ot

by:
If the President and Vice President must sit next to each other in a...

2 EXPERT REPLIES Tue Jan 03, 2017 10:52 am

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

A construction company wants to number

by:
A construction company wants to number new houses using digit plates...

2 EXPERT REPLIES Tue Jan 03, 2017 10:50 am

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

probability - A 5 meter long wire is cut

by:
A 5 meter long wire is cut into two pieces. If the longer piece is...

2 EXPERT REPLIES Tue Jan 03, 2017 10:44 am

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

What is the sum of all solutions to the equation

by:
Here's a 650+ question I just created: What is the sum of all...

1 EXPERT REPLIES Tue Jan 03, 2017 10:19 am

by: Brent@GMATPrepNow View latest post

If [x] denotes the

by:
If denotes the largest integer smaller than x, is > ? (1) x = + 1...

5 EXPERT REPLIES Mon Jan 02, 2017 6:17 pm

by: ceilidh.erickson View latest post

The perimeter of a certain isosceles right triangle is 16 +1

by: Page: 1, 2, 3
The perimeter of a certain isosceles right triangle is 16 +16...

30 EXPERT REPLIES Sun Jan 01, 2017 11:54 pm

by: Jay@ManhattanReview View latest post

Probability - Set T consists

by:
Set T consists of all points (x,y) such that x^2 + y^2 = 1. If point...

3 EXPERT REPLIES Sun Jan 01, 2017 6:55 am

by: fiza gupta View latest post

Working at the same constant rate, 4 machines,

by:
Here's a 600-level work question I just made up. Working at the same...

4 EXPERT REPLIES Sun Jan 01, 2017 5:42 am

by: rsarashi View latest post

Rhombus - MGMAT

by:
In the rhombus ABCD, the length of diagonal BD is 6 and the length of...

4 EXPERT REPLIES Sat Dec 31, 2016 8:12 am

by: Brent@GMATPrepNow View latest post

The perimeter of a rectangular yard is completely

by:
The perimeter of a rectangular yard is completely surrounded by a...

4 EXPERT REPLIES Sat Dec 31, 2016 2:21 am

by: Anaira Mitch View latest post

Black Squares

by:
The combined area of the two black squares is equal to 1000 square...

4 EXPERT REPLIES Fri Dec 30, 2016 10:53 am

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

Cost price and Selling price

by:
The ratio of cost price to selling price is 5:6. What can be the...

2 EXPERT REPLIES Fri Dec 30, 2016 3:37 am

by: Jay@ManhattanReview View latest post

mgmat

by:
In the diagram to the right, triangle PQR has a right angle at Q and...

7 EXPERT REPLIES Fri Dec 30, 2016 1:31 am

by: Anaira Mitch View latest post

Value of y

by:
Please help me with this question. If I plug in 2 for both x and y...

3 EXPERT REPLIES Thu Dec 29, 2016 9:49 pm

by: Jay@ManhattanReview View latest post

Parallelogram and Area

by:
ABCD is a trapezium with AD & BC as parallel sides. E is a point...

2 EXPERT REPLIES Wed Dec 28, 2016 4:37 am

by: Jay@ManhattanReview View latest post

divisibility

by:
Which of the following is the lowest positive integer that is...

4 EXPERT REPLIES Tue Dec 27, 2016 9:17 am

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

Consecutive even numbers

by:
Set J consists of 18 consecutive even numbers. If the smallest term...

5 EXPERT REPLIES Tue Dec 27, 2016 9:10 am

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

Z is defined as (K - L) ÷ 10

by:
K and L are each four-digit positive integers with thousands,...

4 Tue Dec 27, 2016 7:01 am

by: Anaira Mitch View latest post

betting problem

by:
Q14 . Arundhati bets a certain portion of her total money on betting...

2 EXPERT REPLIES Mon Dec 26, 2016 7:15 pm

by: sanjeev hansraj View latest post

Please what's the way out here? I'm def missing something

by:
I can seem to wrap my head around this one. I tried simplifying......

6 EXPERT REPLIES Mon Dec 26, 2016 6:27 am

by: ceilidh.erickson View latest post

Please solve this Profit and loss problem

by:
A sells an item at 20% profit to B. B sells it to C at 10% profit. C...

4 EXPERT REPLIES Mon Dec 26, 2016 6:01 am

by: ceilidh.erickson View latest post

Time and Speed

by:
A man covered a certain distance at some speed. If he had moved 3...

1 EXPERT REPLIES Sat Dec 24, 2016 5:51 am

by: GMATGuruNY View latest post

Time &Work

by:
C is 20% more efficient that A. A and B can do a piece of work in 16...

5 EXPERT REPLIES Fri Dec 23, 2016 8:50 am

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

Question on probability

by:
Request you to please help me with the answer to the following: A die...

2 EXPERT REPLIES Thu Dec 22, 2016 11:46 am

by: DavidG@VeritasPrep View latest post

Og 2017 problem

by:
Can anyone help me with og2017 problem 209. Am not getting the point

2 EXPERT REPLIES Thu Dec 22, 2016 8:27 am

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

If n is a positive integer, how many of

by:
If n is a positive integer, how many of the ten digits from 0 through...

12 EXPERT REPLIES Wed Dec 21, 2016 9:12 am

by: Jeff@TargetTestPrep View latest post

For each positive integer n, p(n)

by:
For each positive integer n, p(n) is defined to be the product of the...

3 EXPERT REPLIES Wed Dec 21, 2016 8:59 am

by: Scott@TargetTestPrep View latest post

An analyst will recommend a combination of

by:
An analyst will recommend a combination of 3 industrial stocks, 2...

4 EXPERT REPLIES Wed Dec 21, 2016 8:55 am

by: Scott@TargetTestPrep View latest post

Tricky Square root question

by:
How many roots does the equation √(x^2+1) + √(x^2+2)=2 have? For...

4 EXPERT REPLIES Wed Dec 21, 2016 3:34 am

by: Jay@ManhattanReview View latest post

Four workers can dig a ditch in 42 days. They begin

by:
Four workers can dig a ditch in 42 days. They begin the work, but one...

6 EXPERT REPLIES Sun Dec 18, 2016 11:05 am

by: Arunkumar S View latest post

Please solve this one

by:
Rs.6,100/- was partly invested in scheme A at 10% per annum compound...

3 EXPERT REPLIES Sun Dec 18, 2016 8:14 am

by: Arunkumar S View latest post

A certain fruit stand sold apples for $0.70 each and bananas

by:
A certain fruit stand sold apples for $0.70 each and bananas for...

2 EXPERT REPLIES Sat Dec 17, 2016 8:20 pm

by: Brent@GMATPrepNow View latest post

die probability

by:
you roll a die 5 times, what is the probability that you get a 6...

4 EXPERT REPLIES Thu Dec 15, 2016 8:56 pm

by: crackverbal View latest post

Gmat Prep?? (Amy's Grade)

by:
Amy's grade was the 90th percentile of the 80 grades for her class....

9 EXPERT REPLIES Thu Dec 15, 2016 4:58 pm

by: Jeff@TargetTestPrep View latest post

If -1 < x < 0, which of the following must be true? I.

by:
If -1 < x < 0, which of the following must be true? I. x^3 <...

4 EXPERT REPLIES Thu Dec 15, 2016 4:51 pm

by: Scott@TargetTestPrep View latest post

These type of questions

by:
Last month 15 homes were sold in town X. the average price was...

11 EXPERT REPLIES Thu Dec 15, 2016 6:47 am

by: Brent@GMATPrepNow View latest post

Average and Median Sale Price

by:
Last month, 15 homes were sold in town X. The average (Arithmetic...

11 EXPERT REPLIES Thu Dec 15, 2016 4:46 am

by: tomkruz View latest post

Georgia, who lives in a cold area, has 13 pairs of matched g

by:
Georgia, who lives in a cold area, has 13 pairs of matched gloves in...

3 EXPERT REPLIES Thu Dec 15, 2016 4:11 am

by: Jay@ManhattanReview View latest post

If xy + z = x(y+z)

by:
If xy + z = x(y+z), which of the following must be true? A) x=0 and...

4 EXPERT REPLIES Thu Dec 15, 2016 1:36 am

by: Jay@ManhattanReview View latest post

Tricky absloute question

by:
If x≠0 and x/|x|<x, which of the following must be true? A....

3 EXPERT REPLIES Wed Dec 14, 2016 11:41 pm

by: Jay@ManhattanReview View latest post

Assemby line (ratio)

by:
On a certain assembly line, the rejection rate for Monday's...

6 EXPERT REPLIES Wed Dec 14, 2016 6:37 am

by: Brent@GMATPrepNow View latest post

Random Problem

by:
Q. A rectangular lawn of length 200m by 120m has two roads running...

2 EXPERT REPLIES Wed Dec 14, 2016 4:32 am

by: Jay@ManhattanReview View latest post

Quantitative Revision from Richa Q #3

by:
In parallelogram PQRS shown, if PQ = 4 and QR = 6 , what is the area...

4 EXPERT REPLIES Tue Dec 13, 2016 8:26 pm

by: Jay@ManhattanReview View latest post

Factorials and Divisibility question

by:
Worked on this problem today with a student, and thought it would be...

0 Tue Dec 13, 2016 3:23 pm

by: VivianKerr View latest post

Question Pack 1 = A positive integer is divisible by 3 if an

by:
A positive integer is divisible by 3 if and only if the sum of its...

3 EXPERT REPLIES Mon Dec 12, 2016 10:16 pm

by: Jay@ManhattanReview View latest post

Range Problem

by:
Stock # of Shares V 68 W 112 X 56 Y 94 Z 45 The table shows the...

2 EXPERT REPLIES Mon Dec 12, 2016 4:28 pm

by: Anaira Mitch View latest post

OG-17

by:
The probability that event M will not occur is 0.8 and the...

4 EXPERT REPLIES Sun Dec 11, 2016 11:33 pm

by: Jay@ManhattanReview View latest post

Given that N=a3b4c5 where a, b and c are distinct prime no

by:
Please help me with the attached question. Thanks Source: VeritasPrep

3 EXPERT REPLIES Sun Dec 11, 2016 11:18 pm

by: Jay@ManhattanReview View latest post

least possible value of k

by:
Pls Explain If K is an integer and (0.0025)(0.025)(0.00025)*10^k is...

9 EXPERT REPLIES Sun Dec 11, 2016 6:59 pm

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

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