Search found 17 matches


Essay for review

The memo from the vice president of the Nostrum recommends against accepting a proposal to increase the health and retirement benefits, hence forth benefits, for the company's employees. The argument is substantially flawed for it uses an ill supported and shallow comparison with a competitor, ambig...

by saadishah

Thu Mar 23, 2017 12:30 pm
Forum: GMAT Essays (AWA)
Topic: Essay for review
Replies: 0
Views: 1133

My first attempt at a GMAT Essay (AWA)

Hi guys, This is my first attempt at an essay. Need you ratings and feedback. Regards Prompt: The following appeared as part of a newspaper editorial: “Two years ago Nova High School began to use interactive computer instruction in three academic subjects. The school dropout rate declined immediat...

by saadishah

Thu Mar 09, 2017 3:00 pm
Forum: GMAT Essays (AWA)
Topic: My first attempt at a GMAT Essay (AWA)
Replies: 0
Views: 1278

Work Rate Problem - 5

Lindsay can paint 1/x of a certain room in 20 minutes. What fraction of the same room can Joseph paint in 20 minutes if the two of them can paint the room in an hour, working together at their respective rates? A. 1/3x B. 3x/(x – 3) C. (x – 3) / 3x D. x / (x – 3) E. (x – 3) / x Help, anybody?

by saadishah

Tue Sep 27, 2016 11:02 am
Forum: Problem Solving
Topic: Work Rate Problem - 5
Replies: 4
Views: 1894

Work Rate Problem - 4

Machine A can complete a certain job in x hours. Machine B can complete the same job in y hours. If A and B work together at their respective rates to complete the job, which of the following represents the fraction of the job that B will not have to complete because of A's help? A. (x – y)/ (x + ...

by saadishah

Tue Sep 27, 2016 10:48 am
Forum: Problem Solving
Topic: Work Rate Problem - 4
Replies: 2
Views: 1090

Work Rate Problem - 3

Tom, working alone, can paint a room in 6 hours. Peter and John, working independently, can paint the same room in 3 hours and 2 hours, respectively. Tom starts painting the room and works on his own for one hour. He is then joined by Peter and they work together for an hour. Finally, John joins the...

by saadishah

Tue Sep 27, 2016 10:43 am
Forum: Problem Solving
Topic: Work Rate Problem - 3
Replies: 5
Views: 3010

Work Rate Problem - 2

Adam and Brianna plan to install a new tile floor in a classroom. Adam works at a constant rate of 50 tiles per hour, and Brianna works at a constant rate of 55 tiles per hour. If the new floor consists of exactly 1400 tiles, how long will it take Adam and Brianna working together to complete the cl...

by saadishah

Tue Sep 27, 2016 10:42 am
Forum: Problem Solving
Topic: Work Rate Problem - 2
Replies: 3
Views: 1494

Work Rate Problem

Machine A and Machine B can produce 1 widget in 3 hours working together at their respective constant rates. If Machine A's speed were doubled, the two machines could produce 1 widget in 2 hours working together at their respective rates. How many hours does it currently take Machine A to produce 1 ...

by saadishah

Tue Sep 27, 2016 10:37 am
Forum: Problem Solving
Topic: Work Rate Problem
Replies: 3
Views: 1255

PS: Ages of Ebo and Atu

I am stuck and unable to solve this using the single variable method. Please help.

5 years ago, Ebo was 3 times as old as Atu. In 3 years, Ebo will be twice as old as Atu. What is the sum o their ages now?

A) 18
B) 24
C) 28
D) 35
E) 42

by saadishah

Fri Jan 01, 2016 4:25 pm
Forum: Problem Solving
Topic: PS: Ages of Ebo and Atu
Replies: 4
Views: 2077

Word Problem

Happy New Year Guys! I have come across this word problem with the solution. However, do not follow a few steps in the solution. May I request you to solve it for me with explanations on how to you are going about it. Q: The length of a rectangular garden surrounded by a walkway is twice its width. ...

by saadishah

Fri Jan 01, 2016 3:36 am
Forum: Problem Solving
Topic: Word Problem
Replies: 7
Views: 3276

OG Question#129 - Coordinate Geometry

Here is the question and the explanation. In the xy-plane, region R consists of all the points (x,y) such that 2x + 3y =< 6. Is the point (r,s) in region R ? (1) 3r + 2s = 6 (2) r =< 3 and s =< 2 Both (r,s) = (2,0) and (r,s) = (0,3) satisfy the equation 3r + 2s = 6, since 3(2) + 2(0) = 6 and 3(0) + ...

by saadishah

Sun Dec 27, 2015 1:18 pm
Forum: Data Sufficiency
Topic: OG Question#129 - Coordinate Geometry
Replies: 2
Views: 1710

OG Q#92

If a, b, c and d are positive numbers, is a/b < c/d? 1) 0 < c-a/d-b 2) (ad/bc)^2 < ad/bc What is the significance of the statement#1 starting with 0 which is an unusual notation. Secondly, is there an algebraic way (not plugging in numbers as the OG explains) to prove statement#1 insufficiency.

by saadishah

Thu Dec 24, 2015 1:34 pm
Forum: Data Sufficiency
Topic: OG Q#92
Replies: 2
Views: 1627

DS question involving prime properties

Can somebody explain how this is a DS question involving prime properties and how to go about it?

Does there exist an integer d such that x > d > 1 and x/d is an integer?

(1) 11! + 2 =< x =< 11! + 12
(2) x >= 2^5

by saadishah

Mon Dec 21, 2015 11:39 am
Forum: Data Sufficiency
Topic: DS question involving prime properties
Replies: 1
Views: 1223

Time required to cover the material

I am running behind the schedule by a few days; I am doing the work of Day 14 while I have received email for Day 21. (Yes, I know the gap is not a few days :-) I was thinking I would cover up but the gap has been increasing. This is what I have done so far for everyday I have covered: 1. Read the O...

by saadishah

Tue Dec 15, 2015 10:16 am
Forum: The 60-Day GMAT Study Guide
Topic: Time required to cover the material
Replies: 0
Views: 1287

I am not able to understand the following conclusion in both the solutions that x > y. Is this conclusion based on what is on the other side of the equal sign or just based on the the following information: 5^x - 5^y. What if x = 1 and y = 12. Second conclusion which is not clear is that how come x ...

by saadishah

Sat Dec 12, 2015 8:53 am
Forum: Problem Solving
Topic: Advanced Quant Manhattan Question
Replies: 11
Views: 7017

Operation on rational numbers

An OG question Q. At a loading dock, each worker on the night crew loaded 3/4 as many boxes as each worker on the day crew. If the night crew has 4/5 as many workers as the day crew, what fraction of all the boxes loaded by the two crews did the day crew load? (A) 1/2 (B) 2/5 (C) 3/5 (D) 4/5 (E) 5/8...

by saadishah

Thu Dec 03, 2015 1:15 am
Forum: Problem Solving
Topic: Operation on rational numbers
Replies: 6
Views: 4459