Problem Solving - Page 145 - 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

A container in the shape of a right circular cylinder is 1/2 full of water. If the volume of water in the container...

by BTGmoderatorLU » Wed Mar 11, 2020 6:11 pm

2

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:41 pm

I am not sure how to use elimination here

by [email protected] » Mon Apr 28, 2014 3:55 am

4

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:39 pm

If y<x<0, which of the following CANNOT be true?

by BTGModeratorVI » Thu Mar 19, 2020 5:31 am

2

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:38 pm

A jousting tournament requires that a team consist of two knights and two squires...

by swerve » Fri Mar 20, 2020 5:16 pm

2

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:37 pm

The price of stock decreased by 8% last year and rose by 10% this year...

by BTGmoderatorLU » Fri Mar 20, 2020 11:42 am

2

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:36 pm

Car X began traveling at an average speed of 35 miles per hour.

by BTGModeratorVI » Sat Mar 21, 2020 9:49 am

2

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:36 pm

Car X is 40 miles west of Car Y. Both cars are traveling east, and Car X

by BTGModeratorVI » Sat Mar 21, 2020 9:46 am

3

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:35 pm

The co-op board of a certain residential building must consist of two men and three women. If there are six men...

by swerve » Tue Mar 24, 2020 6:30 am

1

Last post by Scott@TargetTestPrep
Thu Mar 26, 2020 1:33 pm

If x = 3+1/3-1, what is x - 1/x?

by Max@Math Revolution » Tue Mar 24, 2020 12:31 am

1

Last post by Max@Math Revolution
Thu Mar 26, 2020 3:39 am

Permutations Hard Question

by SashimiKashimi » Thu Mar 26, 2020 2:13 am

0

Last post by SashimiKashimi
Thu Mar 26, 2020 2:13 am

The table above shows the distribution of test scores for a group of management trainees. Which score interval...

by AAPL » Sun Mar 22, 2020 12:48 pm

2

Last post by Brent@GMATPrepNow
Wed Mar 25, 2020 9:19 am

Annika hikes at a constant rate of 12 minutes per kilometer.

by BTGModeratorVI » Sat Mar 21, 2020 9:52 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 9:02 am

At the end of each year, the value of a certain antique watch is "c" percent more than its value one year earlier, where

by BTGmoderatorDC » Sun Mar 22, 2020 12:50 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:57 am

Two trains, X and Y, started simultaneously from opposite ends

by BTGModeratorVI » Sat Mar 21, 2020 9:52 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:57 am

A car traveled from Los Angeles to San Francisco in 6

by BTGModeratorVI » Sat Mar 21, 2020 9:50 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:56 am

Each week, Harry is paid x dollars per hour for the first 30 hours and 1.5x dollars for each additional hour...

by swerve » Thu Mar 19, 2020 10:46 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:53 am

Both runners and walkers are participating in a marathon on exactly the same course. The walkers start at 6:45 AM, and

by BTGmoderatorDC » Sun Mar 22, 2020 5:16 pm

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:50 am

Walking at a constant rate of 8 kilometers per hour, Juan can

by BTGModeratorVI » Sat Mar 21, 2020 9:47 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:48 am

Triathlete Dan runs along a 2-mile stretch of river and then swims

by BTGModeratorVI » Sat Mar 21, 2020 9:48 am

2

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 8:46 am

a is the integer portion of 11+72 and b is the decimal portion of 11-72. What is the value of 1a-2+2-1b?

by Max@Math Revolution » Mon Mar 23, 2020 7:52 am

1

Last post by Max@Math Revolution
Wed Mar 25, 2020 5:48 am

GPREP PS- 1

by abhasjha » Mon Jul 21, 2014 10:27 am

3

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 4:24 am

Coordinate plane

by GmatKiss » Sat May 26, 2012 9:35 am

8

Last post by Scott@TargetTestPrep
Wed Mar 25, 2020 4:23 am

Four isosceles right triangles were combined as shown above. What is the ratio of the hypotenuse...

by BTGmoderatorLU » Mon Mar 23, 2020 1:42 am

1

Last post by swerve
Mon Mar 23, 2020 6:29 am

What is the minimal value of f(n) = 2n^2 - 7n + 8, if n is an integer?

by Max@Math Revolution » Thu Mar 19, 2020 1:51 am

2

Last post by Max@Math Revolution
Sun Mar 22, 2020 6:52 pm

The function f(x) is defined as x - 10[x/10]. ([x] is the greatest integer less than or equal to x). What is f(7) + f(7

by Max@Math Revolution » Sun Mar 22, 2020 6:50 pm

1

Last post by Max@Math Revolution
Sun Mar 22, 2020 6:51 pm

If A = (1+1/3)(1+1/3^2)(1+1/3^4)(1+1/3^8), what is 1 - 2/3A?

by Max@Math Revolution » Wed Mar 18, 2020 2:46 am

1

Last post by Max@Math Revolution
Sun Mar 22, 2020 6:50 pm

Torry has submitted 2/5 of his homework assignments, and he received an average grade of 75 for those assignments. If

by BTGmoderatorDC » Thu Mar 19, 2020 5:35 pm

2

Last post by deloitte247
Sun Mar 22, 2020 8:47 am

The number line above represents which of the following inequalities?

by BTGModeratorVI » Sat Mar 14, 2020 6:31 am

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:15 pm

For a display, identical cubic boxes are stacked in square layers. Each layer consists of cubic boxes arranged in rows

by BTGmoderatorDC » Tue Mar 17, 2020 6:51 pm

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:14 pm

In the diagram above, line PQ is tangent to the circle, and the measure of arc PR is

by BTGmoderatorDC » Wed Mar 18, 2020 5:30 pm

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:09 pm

If there is a least integer that satisfies the inequality 9/x> 2, what is that least integer?

by BTGModeratorVI » Thu Mar 19, 2020 5:22 am

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:09 pm

In the rectangular coordinate system, a line passes through the points (0, 5) and (7, 0)...

by AAPL » Thu Mar 19, 2020 1:41 am

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:08 pm

If 4 < 7 - 2x < 12, how many integer values of x are there?

by BTGModeratorVI » Thu Mar 19, 2020 5:35 am

3

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:07 pm

What is the smallest integer n for which 25^n > 5^12 ?

by BTGModeratorVI » Thu Mar 19, 2020 5:27 am

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 3:06 pm

Given that x/y < 1, and both x and y are positive integers,

by BTGModeratorVI » Thu Mar 19, 2020 5:32 am

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 2:59 pm

If -2x > -3y, which of the following must be true?

by BTGModeratorVI » Thu Mar 19, 2020 5:30 am

2

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 2:58 pm

A certain characteristic in a large population has a distrib

by Max@Math Revolution » Sun Jul 15, 2018 11:58 pm

3

Last post by Scott@TargetTestPrep
Sat Mar 21, 2020 2:42 pm

If 2x + y = 7 and x + 2y = 5, then (x + y)/3 =

by Brent@GMATPrepNow » Fri Mar 13, 2020 9:45 am

1

Last post by Brent@GMATPrepNow
Sat Mar 21, 2020 5:52 am

In the figure above, triangle ABC is equilateral, and point P is equidistant from vertices A, B, and C. If triangle ABC

by BTGmoderatorDC » Fri Mar 20, 2020 7:36 pm

1

Last post by Brent@GMATPrepNow
Sat Mar 21, 2020 5:42 am

Eleven years ago Tina was half as old as Ike will be in 4 years. If Ike

by Brent@GMATPrepNow » Fri Mar 13, 2020 9:48 am

2

Last post by Brent@GMATPrepNow
Fri Mar 20, 2020 6:36 am

If n = p² and p is a prime number greater than 5, what is the units digit of n² ?

by Brent@GMATPrepNow » Fri Mar 13, 2020 9:47 am

2

Last post by Brent@GMATPrepNow
Fri Mar 20, 2020 6:36 am

Fifteen dots are evenly spaced on the circumference of a circle. How many combinations of three dots can we pick from

by BTGmoderatorDC » Fri Mar 13, 2020 4:32 pm

2

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:09 am

The charge for a single room at Hotel P is 25 percent less than the charge for a single room at Hotel R and 10

by BTGmoderatorLU » Sat Mar 14, 2020 8:23 am

1

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:08 am

Each light bulb at Hotel California is either incandescent or fluorescent.

by BTGModeratorVI » Sat Mar 14, 2020 7:08 am

2

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:07 am

A certain high school offers two foreign languages, Spanish and French. 10%

by BTGModeratorVI » Sat Mar 14, 2020 7:06 am

2

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:04 am

The average (arithmetic mean) weight of 5 crates is 250 pounds. The two lightest crates weight between 200 and 205...

by AAPL » Wed Mar 18, 2020 1:43 am

1

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:03 am

A certain characteristic in a large population has a distribution that is symmetric

by Brent@GMATPrepNow » Fri Mar 13, 2020 9:49 am

2

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:01 am

Given the inequalities above, which of the following CANNOT be the value of r?

by BTGModeratorVI » Sat Mar 14, 2020 6:28 am

3

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 6:00 am

If the least common multiple of positive integer z and 24 is 72...

by swerve » Wed Mar 18, 2020 1:58 pm

1

Last post by Scott@TargetTestPrep
Fri Mar 20, 2020 5:58 am

{x} denotes the integer nearest to x. For example,

by Max@Math Revolution » Tue Mar 17, 2020 2:06 am

1

Last post by Max@Math Revolution
Thu Mar 19, 2020 1:50 am

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