Problem Solving - Page 100 - The Beat The GMAT Forum - Expert GMAT Help & MBA Admissions Advice

BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

TTP OnDemand GMAT Video Course

Target Test Prep

Featured Course

Target Test Prep GMAT OnDemand

Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.

715+ score guarantee — highest in the industry (99th percentile)
52 chapters · 1,500+ lessons · 4,000+ practice questions
400 hours of video · 1,500+ instructor-led HD smartboard lessons
300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
24/7 live support + weekly Zoom office hours with GMAT instructors
TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
1,200+ flashcards + AI-powered study assistant & daily calendar
OnDemand, LiveTeach & GMAT Bootcamp formats available
Also: GRE, SAT Math & Executive Assessment courses
MBA Admissions Consulting now available
🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
200,000+ students served
5-day free trial — $0 to start, no auto-billing, cancel anytime

★★★★★ 5.0 (559 reviews)

130-pt guarantee

$0 to start then $127/mo

Start Free 5-Day Trial Read 559 Reviews →

Problem Solving

Board index
Problem Solving

Advanced search

Topics

POSTS

Last post

If the area of right triangle \(ABC\) is \(30,\) what are the coordinates of point \(B?\)

by Vincen » Tue Oct 06, 2020 6:44 am

0

Last post by Vincen
Tue Oct 06, 2020 6:44 am

\(\dfrac{44^4-44}{44}=\)

by Vincen » Tue Oct 06, 2020 6:41 am

0

Last post by Vincen
Tue Oct 06, 2020 6:41 am

If \(a = 1,248\) and \(b = 1,152,\) what is the value of \((a^2-b^2)^{1/2}?\)

by Vincen » Tue Oct 06, 2020 6:38 am

0

Last post by Vincen
Tue Oct 06, 2020 6:38 am

Eight identical machines can produce 360 aluminum cans per hour. If all of the machines work at the same constant rate,

by Vincen » Tue Oct 06, 2020 6:21 am

0

Last post by Vincen
Tue Oct 06, 2020 6:21 am

If a dak is a unit of length and 14 daks = 1 jin, how many squares with a side length of 2 daks can fit in a square with

by Vincen » Tue Oct 06, 2020 6:18 am

0

Last post by Vincen
Tue Oct 06, 2020 6:18 am

Carmelo and LeBron participate in a seven-person footrace on the basketball court during All-Start Weekend...

by BTGmoderatorLU » Tue Oct 06, 2020 5:01 am

0

Last post by BTGmoderatorLU
Tue Oct 06, 2020 5:01 am

Which of the following integers has the greatest number of factors?

by BTGmoderatorLU » Tue Oct 06, 2020 4:44 am

0

Last post by BTGmoderatorLU
Tue Oct 06, 2020 4:44 am

Three different types of wine are \(10\%, 12\%,\) and \(14\%\) alcohol, respectively. If \(a\) liters of the \(10\%\)

by M7MBA » Thu Oct 01, 2020 6:47 am

1

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:24 am

A drum of bathroom cleaner contains \(200\) gallons of a cleaning solution that is \(20\%\) bleach. If \(50\) gallons of

by M7MBA » Thu Oct 01, 2020 6:50 am

1

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:22 am

The R students in a class agree to contribute equally to buy their teacher a birthday present that costs y dollars...

by BTGmoderatorLU » Thu Oct 01, 2020 2:32 pm

1

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:21 am

If \(5x - 3y = 7\) and \(2y - 4x = 3,\) then \(2x - 2y =\)

by Gmat_mission » Thu Oct 01, 2020 7:09 am

3

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:20 am

\(x\) is between

by Gmat_mission » Thu Oct 01, 2020 7:06 am

2

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:19 am

If \(9^{2x+5}=27^{3x-10},\) then \(x =\)

by Gmat_mission » Thu Oct 01, 2020 7:04 am

3

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:18 am

Arithmetic

by swerve » Thu Oct 01, 2020 10:01 am

2

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:17 am

Algebra

by swerve » Thu Oct 01, 2020 9:50 am

2

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:16 am

If the average (arithmetic mean) of \(x, y\) and \(15\) is \(9,\) and the average of \(x, 2y\) and \(2\) is \(7,\) then

by M7MBA » Thu Oct 01, 2020 6:54 am

2

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:15 am

For the set {6, 15, y}, the standard deviation is x. What is the standard deviation of the set {10, 19, (y + 4)

by BTGmoderatorDC » Thu Oct 01, 2020 5:29 pm

3

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:14 am

Rectangular game board

by sukriti2hats » Fri Aug 29, 2014 10:27 pm

3

Last post by Scott@TargetTestPrep
Tue Oct 06, 2020 3:07 am

Two hoses (X and Y) are filling a pool. Working alone at their individual constant rates, Hose X could fill the pool in

by BTGmoderatorDC » Mon Oct 05, 2020 5:47 pm

0

Last post by BTGmoderatorDC
Mon Oct 05, 2020 5:47 pm

Distance/Rate Problems

by swerve » Mon Oct 05, 2020 11:07 am

0

Last post by swerve
Mon Oct 05, 2020 11:07 am

Arithmetic

by swerve » Mon Oct 05, 2020 10:58 am

0

Last post by swerve
Mon Oct 05, 2020 10:58 am

Brian purchased a bouquet of 40 flowers for his mother for her birthday. If roses cost $1.50 and tulips cost $1.00, and

by Gmat_mission » Fri Oct 02, 2020 12:50 am

2

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 7:02 am

Donald has $520,000 in campaign money available to spend on advertising for the month of October, and his advisers are

by Gmat_mission » Fri Oct 02, 2020 12:54 am

1

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 7:01 am

If \(2x - y = 10\) and \(\dfrac{x}{y} = 3,\) then \(x =\)

by Gmat_mission » Fri Oct 02, 2020 1:04 am

2

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 7:01 am

\(200^2 - 2(200)(199) + 199^2 =\)

by Gmat_mission » Fri Oct 02, 2020 12:57 am

2

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 7:00 am

The average of 12 numbers is 16. When one number is discarded and 15 is added,

by AAPL » Fri Oct 02, 2020 5:53 am

1

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 6:52 am

Fox jeans regularly sell for $15 a pair and Pony jeans regularly sell for $18 a pair. During a sale these...

by AAPL » Fri Oct 02, 2020 6:05 am

2

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 6:51 am

If 1/2 the result obtained when 2 is subtracted from 5x

by BTGModeratorVI » Sun Sep 27, 2020 7:01 am

3

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 6:50 am

For telephone calls between two particular cities, a telephone company charges $0.40

by BTGModeratorVI » Sun Sep 27, 2020 7:01 am

3

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 6:49 am

All students in a certain law school are in either first, second, or third year,

by BTGModeratorVI » Sun Sep 27, 2020 7:02 am

4

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 6:48 am

Day Care Problem

by adi » Sat Mar 08, 2008 2:36 pm

5

Last post by Scott@TargetTestPrep
Mon Oct 05, 2020 6:44 am

If AB||CD, what is the value of x?

by AAPL » Mon Oct 05, 2020 3:32 am

0

Last post by AAPL
Mon Oct 05, 2020 3:32 am

At a certain store, the price of a pair of shoes is twenty dollars more than three times the price of a pair of jeans

by BTGmoderatorDC » Sun Oct 04, 2020 5:51 pm

0

Last post by BTGmoderatorDC
Sun Oct 04, 2020 5:51 pm

If -4 < x < 7 and -6 < y < 3, which of the following specifies all the possible values of xy?

by BTGModeratorVI » Fri Aug 14, 2020 1:07 pm

1

Last post by Brent@GMATPrepNow
Sun Oct 04, 2020 12:37 pm

Min/Max Problems, Number Properties

by swerve » Sat Oct 03, 2020 7:08 am

1

Last post by DHRJ007
Sat Oct 03, 2020 9:28 pm

Overlapping Sets, Probability

by swerve » Sat Oct 03, 2020 7:25 am

1

Last post by DHRJ007
Sat Oct 03, 2020 9:25 pm

A consulting firm uses a Trenchard score to help companies determine which computer tasks work best together in parallel

by BTGmoderatorDC » Sat Oct 03, 2020 6:55 pm

0

Last post by BTGmoderatorDC
Sat Oct 03, 2020 6:55 pm

2x + y years ago, Roberto was 3x + y years old. How many years old was Roberto x years ago?

by BTGModeratorVI » Sun Sep 27, 2020 6:59 am

1

Last post by Brent@GMATPrepNow
Sat Oct 03, 2020 6:26 am

After receiving a 25% discount, Amanda pays $240 for a TV. How much would the TV cost without the discount?

by BTGModeratorVI » Sun Sep 27, 2020 7:00 am

1

Last post by Brent@GMATPrepNow
Sat Oct 03, 2020 6:21 am

Triangle XYZ is an isosceles right triangle. If side XY is

by BTGModeratorVI » Sun Sep 27, 2020 7:00 am

1

Last post by Brent@GMATPrepNow
Sat Oct 03, 2020 6:20 am

How many integers from 0 to 50

by GMATStudyStudent » Thu Oct 01, 2020 9:53 am

1

Last post by Brent@GMATPrepNow
Sat Oct 03, 2020 6:18 am

Which of the following represents the average of \(11^{61}\) and \(11^{63}?\)

by Gmat_mission » Fri Oct 02, 2020 12:41 am

1

Last post by Brent@GMATPrepNow
Sat Oct 03, 2020 6:09 am

Andrew, a math teacher, needs to choose a team to send to a math competition. \ Two of his best students, Maria and Nath

by BTGmoderatorDC » Fri Oct 02, 2020 5:32 pm

0

Last post by BTGmoderatorDC
Fri Oct 02, 2020 5:32 pm

In 8 years, Leonard will be twice as many years old as Mikala is now.

by BTGModeratorVI » Sun Sep 27, 2020 7:02 am

1

Last post by Brent@GMATPrepNow
Fri Oct 02, 2020 4:46 am

In a class election, 25 students each cast one vote for one of four candidates for student council. If Jill received the

by Gmat_mission » Fri Oct 02, 2020 12:44 am

0

Last post by Gmat_mission
Fri Oct 02, 2020 12:44 am

The sum of the first 11 terms of an arithmetic progression is 275. Which of the following can be the sum of the first 12

by Gmat_mission » Fri Oct 02, 2020 12:33 am

0

Last post by Gmat_mission
Fri Oct 02, 2020 12:33 am

If \(\left(\dfrac1{x}+x\right)^2=16,\) then \(\dfrac1{x^2}+x^2=\)

by Gmat_mission » Fri Oct 02, 2020 12:28 am

0

Last post by Gmat_mission
Fri Oct 02, 2020 12:28 am

What is the average (arithmetic mean) of \((\sqrt8 + \sqrt2)^2\) and \((\sqrt8 - \sqrt2)^2 ?\)

by Gmat_mission » Fri Oct 02, 2020 12:25 am

0

Last post by Gmat_mission
Fri Oct 02, 2020 12:25 am

If \(x\) and \(y\) are both positive and \(\sqrt{x^2+y^2}=3x-y,\) then \(\dfrac{x}{y} =\)

by Gmat_mission » Fri Oct 02, 2020 12:22 am

0

Last post by Gmat_mission
Fri Oct 02, 2020 12:22 am

If \(8^c\cdot \sqrt8=\dfrac{8^a}{8^b}\) then \(a = ?\)

by Gmat_mission » Thu Oct 01, 2020 7:01 am

1

Last post by psarma
Thu Oct 01, 2020 3:40 pm

←
1
…
98
99
100
101
102
…
794
→

GMAT Course Reviews

560 reviews

1168 reviews

431 reviews

359 reviews

147 reviews

Target Test Prep

5/5

5 Star (560 Reviews)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

"TTP has two things that I think no other test prep company offers: A teaching approach that reinforces understanding and an attitude that will give you the mental preparedness needed to succeed on the test. TTP gives you a deep understanding of the concept you need to know while teaching you how to think."

FREE GMAT PREP RESOURCES

GMAT PREP DEAL TRACKER

ONLY $85
EMPOWERgmat + Free GMAT Exams
SAVE $300
Magoosh GMAT Courses
ONLY $99
GMAT Prep Now 6-Month Access Plan
$150 OFF
Target Test Prep Study Plans
50% OFF
e-GMAT Courses
SAVE $75
Manhattan GMAT Courses and Services1