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700-800 level question - SETS
Set R contains five numbers that have an average value of 55. If the median of the set is equal to the mean, and the largest number in the set is equal to 20 more than three times the smallest number, what is the largest possible range for the numbers in the set? 78 77 1/5 66 1/7 55 1/7 52 I have th...
- by replayyyy
Sun Oct 31, 2010 4:31 am- Forum: Problem Solving
- Topic: 700-800 level question - SETS
- Replies: 7
- Views: 1834
MGMAT CR problem
The media claim that the economy is entering a phase of growth and prosperity. They point to lower unemployment rates and increased productivity. This analysis is false, though. The number of people filing for bankruptcy has increased every month for the last six months, and bankruptcy lawyers repor...
- by replayyyy
Sun Oct 31, 2010 3:06 am- Forum: Critical Reasoning
- Topic: MGMAT CR problem
- Replies: 6
- Views: 1524
gmatprep ds
Of the 60 animals in a certain farm, 2/3 are either pigs or cows. How many of the animals are cows?
(1) the farm has more than twice as many cows as it has pigs
(2) the farm has more than 12 pigs.
- by replayyyy
Sat Oct 30, 2010 6:47 am- Forum: Data Sufficiency
- Topic: gmatprep ds
- Replies: 2
- Views: 1146
combinatorics problem
How many positive integers less than 10 000 are there in which the sum of digits equal 5?
A. 31
B. 51
C. 56
D. 62
E. 93
- by replayyyy
Thu Oct 28, 2010 1:11 pm- Forum: Problem Solving
- Topic: combinatorics problem
- Replies: 2
- Views: 1274
Arghhh replayyyy! You did not transcribe this correctly! Option D does not have an and before spending ! Check out this link - http://www.manhattangmat.com/forums/among-lower-paid-workers-union-members-are-less-likely-t1904.html D is indeed right. It is my source that is incorrect. That is where al...
- by replayyyy
Thu Oct 28, 2010 2:58 am- Forum: Sentence Correction
- Topic: tough SC
- Replies: 9
- Views: 1506
The OA is D. I cannot figure out why.GMATMadeEasy wrote:@replayyyy : What is your doubt with this question ?
- by replayyyy
Wed Oct 27, 2010 10:25 pm- Forum: Sentence Correction
- Topic: tough SC
- Replies: 9
- Views: 1506
tough SC
Among lower-paid workers, union members are less likely than non union members to be enrolled in lower-end insurance plans imposing stricter limits on medical services and requiring doctors to see more patients, and spend less time with each. A. B. imposing stricter limits on medical services, requi...
- by replayyyy
Wed Oct 27, 2010 12:23 pm- Forum: Sentence Correction
- Topic: tough SC
- Replies: 9
- Views: 1506
GMATPrep software - question
In GMATPrep software, do Practice Content-Review Questions duplicate any questions included in the two CAT tests or OG?
- by replayyyy
Wed Oct 27, 2010 9:17 am- Forum: GMAT Strategy
- Topic: GMATPrep software - question
- Replies: 1
- Views: 1095
If you do not translate the problem into any equations or inequalities for Statement 2 and try to solve it with just a pure logic, it is sufficient. Since the stem says " depreciated by x%" and not " changed by x%", x cannot be negative ( depreciated by -10%, for example, doesn`t...
- by replayyyy
Wed Oct 27, 2010 6:38 am- Forum: Data Sufficiency
- Topic: ds problem
- Replies: 11
- Views: 2524
The official answer, though, is A. I do not agree with it and that is why I have posted this question here. You can see the explanation provided in the attached file.
- by replayyyy
Wed Oct 27, 2010 6:08 am- Forum: Data Sufficiency
- Topic: ds problem
- Replies: 11
- Views: 2524
ds problem
The price of a car was m dollars. It then depreciated by x%. Later, it appreciated by y% to n dollars.
If there are no other changes in the price, is m > n ?
(1) y = x/(1-x/100)
(2) y = 3/4*x
- by replayyyy
Wed Oct 27, 2010 4:03 am- Forum: Data Sufficiency
- Topic: ds problem
- Replies: 11
- Views: 2524
- by replayyyy
Mon Oct 25, 2010 12:34 pm- Forum: Problem Solving
- Topic: BTG 300 unclear solution
- Replies: 7
- Views: 1516
BTG 300 unclear solution
If n is a positive integer and n^2 is divisible by 72, then the largest positive integer that must divide n is: A. 6 B. 12 C. 24 D. 36 E. 48 The problem is from BTG 300 tough problems file, #28 and the OA is B - 12. However, I can`t understand why this has to be true because if n=72, for example, th...
- by replayyyy
Mon Oct 25, 2010 10:21 am- Forum: Problem Solving
- Topic: BTG 300 unclear solution
- Replies: 7
- Views: 1516
Congratulations! It is a great score! Do you remember any details about the real exam questions - topics of RC passages, tougher quant problems .... ? Thanks
- by replayyyy
Wed Oct 20, 2010 11:34 am- Forum: I just Beat The GMAT!
- Topic: 640 to 720 - Consistency and good strategy is the key!
- Replies: 20
- Views: 13723
factors of 36^2
How many factors does 32^2 have ? The OA is 25 and it is reached by transforming 36 into a product of its prime exponents - 2 and 3 --> 2^4 * 3^4. However, I can`t understand why my approach is wrong - 1,2,3,4,6,9,12,18,36 (9 factors) are factors of 36; another 36 will have the same number of factor...
- by replayyyy
Tue Oct 19, 2010 1:29 am- Forum: Problem Solving
- Topic: factors of 36^2
- Replies: 2
- Views: 3485