By Miranda Menestrina
- **Jan 16**, 02:00 AM

Math (PS)
A contractor estimated that his 10-men crew could complete the construction in 110 days if there was no rain. (Assume the crew does not work on any rainy day and rain is the only factor that can deter the crew from working). However, after...

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By Miranda Menestrina
- **Jan 15**, 02:00 AM

Math (PS)
Two sacks together contained 43.25 kg of sugar. If after 4.75 kg of sugar was taken from the first sack and poured into the second, the weight of the sugar in the first sack became 73% the weight of the sugar in the second...

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By Miranda Menestrina
- **Jan 14**, 02:00 AM

Math (PS)
If , what is the value of ?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
GMAT Daily Deals
Manhattan GMAT: 99 percentile teachers and superior curriculum at a more...

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By Miranda Menestrina
- **Jan 14**, 02:00 AM

Math (DS)
Is the range of a non-empty set S bigger than its mean?
1. All members of S are negative
2. The median of set S is negative
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
GMAT Daily Deals
Manhattan...

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By Miranda Menestrina
- **Jan 13**, 02:00 AM

Math (PS)
It takes Jack 2 more hours than Tom to type 20 pages. Working together, Jack and Tom can type 25 pages in 3 hours. How long will it take Jack to type 40 pages?
(A) 5 hours
(B) 6 hours
(C) 8 hours
(D) 10 hours
(E) 12 hours
Question...

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By Miranda Menestrina
- **Jan 9**, 02:00 AM

Math (PS)
There are four distinct pairs of brothers and sisters. In how many ways can a committee of 3 be formed and NOT have siblings in it?
(A) 8
(B) 24
(C) 32
(D) 56
(E) 80
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to...

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By Miranda Menestrina
- **Jan 2**, 02:00 AM

Math (PS)
Set consists of all points such that . If point is selected from set at random, what is the probability that ?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - A - (click and drag your...

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By Miranda Menestrina
- **Dec 30**, 02:00 AM

Math (PS)
What is between?
(A) and
(B) and
(C) and
(D) and
(E) and
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
GMAT Daily Deals
Only Knewton Gmat prep gives you access to...

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By Miranda Menestrina
- **Dec 25**, 02:00 AM

Math (DS)
If vertices of a triangle have coordinates , what is the area of the triangle?
1.
2. angle at the vertex equals 90 degrees
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
GMAT Daily Deals
Over 4...

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By Miranda Menestrina
- **Dec 20**, 02:00 AM

Math (PS)
Which of the following sets has the same standard deviation as set ?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
GMAT Daily Deals
e-GMAT’s methods help non-natives improve on GMAT Verbal....

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