By dzyubam
- **Sep 21**, 02:00 AM

Math (PS)
There are two concentric circles with radii 10 and 8. If the radius of the outer circle is increased by 10% and the radius of the inner circle decreased by 50%, by what percent does the area between the circles grow?
(A) 140%
(B) 141%
(C) 190%
(D)...

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By Knewton
- **Sep 20**, 15:00 PM

After releasing our GMAT course in a high-definition, on-demand format in April 2011, we here at Knewton Academics were pleasantly surprised at just how much the GMAT community enjoyed the results. Inspired by the success of that course as a 24/7 complete prep option, we...

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By dzyubam
- **Sep 20**, 02:49 AM

Math (PS)
Is the product of and equal to 1?
1.
2.
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Enroll in MBA Prep School’s 2011/2012 season pass for...

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By dzyubam
- **Sep 19**, 02:00 AM

Math (DS)
If and are positive integers, then is an even integer?
1. is an odd integer.
2. is an even integer.
GMAT Daily Deals
Buy Now. Get More. Free. From Kaplan. Offer ends 9/30 so buy now. Learn more!
Need help with your MBA School...

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

Math (PS)
If the circus were to sell all of its 220 tickets for this month’s performance at its usual price, the revenue from sales would be 10% greater than that collected last month. If the circus raised the ticket price by 5% and sold only...

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By dzyubam
- **Sep 15**, 02:00 AM

Math (PS)
Some part of a 50% solution of acid was replaced with an equal amount of 30% solution of acid. If, as a result, 40% solution of acid was obtained, what part of the original solution was replaced?
(A)
(B)
(C)
(D)
(E)
GMAT Daily Deals
UPenn...

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By VeritasPrep
- **Sep 14**, 14:59 PM

Veritas Prep’s Strategy and Operations Manager, Jason Sun, recently took the GMAT scoring an incredible 780! Here he shares the strategies that helped him with this amazing accomplishment:
Note that many of these strategies overlap heavily with Veritas Prep’s own GMAT prep philosophy — I do...

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By dzyubam
- **Sep 14**, 04:57 AM

Math (PS)
In a fleet of a certain car-renting agency the ratio of the number of sedans to the number of hatchbacks was 9:8. If after the addition of 3 sedans and 1 hatchback, this ratio rose to 6:5, how many more sedans than hatchbacks does...

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

Math (PS)
The scoring system in a certain football competition goes as follows: 3 points for victory, 1 point for a draw, and 0 points for defeat. Each team plays 20 matches. If the team scored 9 points after 5 games, what is the least number...

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

Math (DS)
Is point closer to point than to point ?
1. Point lies on the line
2. Point lies on the line
GMAT Daily Deals
Really useful series about how the GMAT is scored, a good idea to run in installments. Read...

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