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 Economist
- **Jan 8**, 07:18 AM

If you’re someone who may appreciate supplementing the Economist GMAT Tutor’s adaptive course with a book in which you can scribble your notes, we recommend the Official Guide for GMAT Review (OG).

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By Miranda Menestrina
- **Jan 8**, 02:00 AM

Math (PS)
4 professors and 6 students are being considered for membership on a supervisory committee which must consist of 3 people. In how many ways can this committee be formed if it has to include at least 1 professor?
(A) 36
(B) 60
(C) 72
(D) 80
(E) 100
Question Discussion...

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By Kaplan
- **Jan 7**, 15:57 PM

This year, I’d like to learn to play chess. I imagine that I’m going to have to read some about chess, but mostly practice playing it a whole lot in order to learn the game. I suppose that I’m going to have to find a...

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By Miranda Menestrina
- **Jan 7**, 02:00 AM

Math (PS)
Which of the following is closest to ?
(A) 1.997
(B) 1.998
(C) 1.999
(D) 2.000
(E) 2.001
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 affordable price. Save...

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By Economist
- **Jan 6**, 06:50 AM

You asked for it, we developed it. The Android app is here!

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By Miranda Menestrina
- **Jan 6**, 02:00 AM

Math (DS)
What is the value of ?
1.
2.
(click and drag your mouse to see the answer)
Question Discussion & Explanation
Correct Answer - C -
GMAT Daily Deals
Only Knewton Gmat prep gives you access to >3,400 GMAT practice questions, all online. Save $351 @ GMAT...

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By Kaplan
- **Jan 3**, 15:15 PM

Located in Albany, Georgia, Albany State University and its business school promote an in-depth, hands-on academic experience for each of its students. The University and its faculty see academia as a journey, and they attempt to help students embark on an enriched journey towards education.
Quick...

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By Economist
- **Jan 3**, 06:53 AM

Mathematics credits its most famous formula to a legendary Greek, Pythagoras of Samos.
This gem of trigonometry has had far-reaching impact in every sphere of mathematics and appears quite frequently on the GMAT.

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By Miranda Menestrina
- **Jan 3**, 02:00 AM

Math (PS)
Three secretaries working together can type 36 pages of text in half an hour. If the typing speeds of the secretaries are in a 4:3:2 ratio, how long will it take the slowest-typing secretary working alone to type 52 pages of text?
(A) 1 hour...

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