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 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 Magoosh
- **Apr 12**, 09:00 AM

Fact: When GMAT Integrated Reasoning appears, starting in June 2012, one type of chart about which the GMAT IR can ask is a bubble chart.
What in Sam Hill is a bubble chart?
Scatterplots
A bubble chart is a close cousin to a scatterplot. In a scatterplot, each...

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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 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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By dzyubam
- **Apr 6**, 02:00 AM

Math (PS)
What is the number of integers from 1 to 1000 (inclusive) that are not divisible by 11 nor by 35?
(A) 884
(B) 890
(C) 892
(D) 910
(E) 945
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
GMAT Daily Deals
e-GMAT: 36...

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By Magoosh
- **Apr 5**, 09:00 AM

Learn what sophisticated GMAC research reveals about last-minute time-crunch strategies on the GMAT.
It's All About Timing
Of course, learning to solve problems under time pressure is an important part of preparing for the GMAT. Of course, you should do everything you can do to maximize your ability to...

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By dzyubam
- **Apr 5**, 02:00 AM

Math (PS)
If , , , and , what is the value of
(A) 10
(B) 15
(C) 20
(D) 25
(E) 30
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
GMAT Daily Deals
Veritas Prep: admissions consultants from all...

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