Search found 123 matches


What is the sum of all possible solutions for x of the equation x ( x − k ) = k + 1? (A) 0 (B) 1 (C) k (D) k + 1 (E) 2k – 1 This took a while to figure out. How are people solving this? The quickest approach might be to plug in a value for k. Let k=2. x(x-2) = 2+1 x^2 - 2x = 3 x^2 - 2x - 3 = 0....

by anirudhbhalotia

Thu Apr 28, 2011 7:01 pm
Forum: Problem Solving
Topic: 300 tough Algebra
Replies: 20
Views: 38308

At least 100 employees in a certain company have management experience. If 15 percent of the employees in the company who have sales experience also have management experience, do more employees have sales experience than management experience? (1) 72 employees in the company have both sales experi...

by anirudhbhalotia

Tue Apr 26, 2011 3:14 am
Forum: Data Sufficiency
Topic: Sets
Replies: 22
Views: 9391

Whats the formula for surface area for cube and rectangular solid?

by anirudhbhalotia

Tue Apr 26, 2011 3:02 am
Forum: Problem Solving
Topic: surface area
Replies: 24
Views: 13495

Hi, I have also come up with ans E However i used a different approach. B's rate is 1/15, and B worked for 5 days so he as done 5/15 or 1/3 of the job. So B should get (1/3) of 720 which is 240. Considering that the question is asking for his average daily wage, then its 240/5, which is 48 Awesome....

by anirudhbhalotia

Tue Apr 26, 2011 2:49 am
Forum: Problem Solving
Topic: work all alone
Replies: 25
Views: 9478

Why is D not the answer for Q.11.

In the passage its mentioned-

Such a dra-
(75) matic increase in straying from
damaged areas to more pristine
streams results in substantial
gene flow, which can in turn lower
the overall fitness of subsequent
generations.

Some explanation would be helpful. Thx.

by anirudhbhalotia

Mon Apr 25, 2011 11:08 pm
Forum: Reading Comprehension
Topic: Salmon Habitat (how to attack this passage?)
Replies: 22
Views: 22484

why we are adding and subtracting the stream speed for downstream and upstream respectively?

by anirudhbhalotia

Sat Apr 23, 2011 2:54 am
Forum: Problem Solving
Topic: down the rivers
Replies: 13
Views: 7377
by anirudhbhalotia

Sat Apr 23, 2011 2:35 am
Forum: Sentence Correction
Topic: After 12 hours, hostage
Replies: 29
Views: 12514

Where is "the" in front of high school?

I went for D.

We who...sounds a bit awkward.

by anirudhbhalotia

Sat Apr 23, 2011 2:16 am
Forum: Sentence Correction
Topic: We who
Replies: 22
Views: 11892

New site about helping you stay organised!

Not every MBA may get a job, but I am seeing a lot many turning entrepreneurs exploring the huge market and demand of "how to get into a B-School". Another such venture is Apply In the Sky! - http://applyinthesky.com/ This site claims to help you in the entire process from start to end. They are not...

by anirudhbhalotia

Thu Apr 14, 2011 9:47 pm
Forum: The Application Process
Topic: New site about helping you stay organised!
Replies: 1
Views: 807

Mundasingh - That is very interesting point you make. The conclusion does have the word "currently" in it. So I suppose that unless they update very frequently the "currently" might be suspect. But you have said something here that is not quite right - you in fact cannot attack a premise on the GMA...

by anirudhbhalotia

Sun Apr 10, 2011 8:12 am
Forum: Critical Reasoning
Topic: Silver Bullet Train
Replies: 15
Views: 2443

Received a PM on this one... This is not only as they say a "classic example of scope shift." This is also a classic example of a problem that could use a little editing. The conclusion says "the Silver Bullet train is one of the most efficient trains currently in use." The evidence that supports t...

by anirudhbhalotia

Sun Apr 10, 2011 6:28 am
Forum: Critical Reasoning
Topic: Silver Bullet Train
Replies: 15
Views: 2443

Silver Bullet Train

Source - GMAT Hacks Advertisement in the Harptown Train Station: The Harptown Transport Society reports that the Silver Bullet train has the fewest delays per rush-hour period of any high-speed train. This shows that the Silver Bullet train is one of the most efficient trains currently in use. Which...

by anirudhbhalotia

Sat Apr 09, 2011 3:20 am
Forum: Critical Reasoning
Topic: Silver Bullet Train
Replies: 15
Views: 2443

If I take a cue from Adam,

Then C is the one I would go for. Its "less extreme" than A.

The difference is "usually" and "sometimes".

by anirudhbhalotia

Mon Apr 04, 2011 3:11 am
Forum: Reading Comprehension
Topic: Interest rate
Replies: 22
Views: 14030

This was tough!

Even choice A, B and choice C has no link with the passage per-se. There is no mention of African, Chinese or Military in the passage.

by anirudhbhalotia

Mon Apr 04, 2011 3:00 am
Forum: Critical Reasoning
Topic: Monster of a question!!
Replies: 19
Views: 11676

CBBBAABD....10-12 mins.

4 OUT OF 8 CORRECT! :-(

Can some one please explain each answer.

Thanks!

by anirudhbhalotia

Sun Apr 03, 2011 6:57 pm
Forum: Reading Comprehension
Topic: Tough Old GMAT passage
Replies: 34
Views: 20049