By dzyubam
- **Apr 16**, 02:00 AM

Math (DS)
In the morning, John drove to his mother's house in the village at an average speed of 60 kmh. When he was going back to town in the evening, he drove more cautiously and his speed was lower. If John went the same distance...

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By Magoosh
- **Apr 13**, 09:00 AM

More Than One Way
Often the strongest ways to attack an argument is to undermine one of its pivotal assumptions: that’s something I discussed in this post:http://magoosh.com/gmat/2012/arguments-and-assumptions-on-the-gmat/. Other ways of attacking an argument include:
a) questioning the evidence cited, and/or questioning the starting point
b) showing argument leads...

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By dzyubam
- **Apr 13**, 02:00 AM

Math (DS)
The bowl contains green and blue chips. What is the probability of drawing a blue chip in two successive trials if the chip drawn in the first trial is not returned to the bowl before the second trial?
1. The ratio of blue chips to...

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By dzyubam
- **Apr 12**, 02:00 AM

Math (PS)
The train consists of 6 carriages, 20 meters long each. The gap between the carriages is 1 meter. If the train is moving at a constant speed of 60 kmh, how much time will it take the train to run through a 1 kilometer...

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By Knewton
- **Apr 11**, 14:52 PM

By Jen Rugani
Say a friend tells you a story about something that happened to her at work. Her boss has decided to assign her to a very specific research assignment, despite the fact that such research rarely yields practical results. Hearing this reminds you of...

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By Kaplan
- **Apr 11**, 12:21 PM

By Lucas Weingarten
Sometimes you stumble upon something that is too full of coincidence to pass up. Inc. recently published an online article that seems written with the GMAT in mind: Have you checked your assumptions lately?
I have concluded that you’ll find this editorial particularly interesting because...

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By Magoosh
- **Apr 11**, 11:11 AM

Facts about the Analytical Writing Analysis questions (AWA)
Fact: The current GMAT involves two AWA question: one Analysis of an Argument question, and one Analysis of an Issue question. You get up to 30 minutes for each.
Fact: Starting on June 5, 2012, the “Next Generation” GMAT...

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By dzyubam
- **Apr 11**, 02:00 AM

Math (PS)
Machine A can produce 50 components a day while machine B only 40. The monthly maintenance cost for machine A is $1500 while that for machine B is $550. If each component generates an income of $10 what is the least number of days...

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By dzyubam
- **Apr 10**, 02:00 AM

Math (DS)
Set consists of odd integers divisible by 5. Is standard deviation of positive?
1. All members of are positive
2. consists of only one member
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
GMAT Daily...

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By dzyubam
- **Apr 9**, 02:00 AM

Math (PS)
Which expression is the greatest?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
GMAT Daily Deals
Knewton GMAT: fully custom prep w/ the highest point increase guarantee in the industry. $350 savings @...

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