Search found 389 matches
Contrary to the scholarly wisdom of the 1950’s and early 1960’s that predicted the processes of modernization and rationalization would gradually under mine it , ethnicity is a worldwide phenomenon of increasing importance. (A) would gradually undermine it (B) to be a gradual undermining of it ...
- by rakeshd347
Thu Oct 24, 2013 2:26 pm- Forum: Sentence Correction
- Topic: Need help in this SC
- Replies: 4
- Views: 1877
I am struggling with these two SC questions and I need some explanations for their answers please: Question 1: 47. According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today mi...
- by rakeshd347
Thu Oct 24, 2013 2:22 pm- Forum: Sentence Correction
- Topic: I cant figure out the answers for 2 SC questions
- Replies: 4
- Views: 1598
Good DS question
If vertices of a triangle have coordinates (−1,1), (4,1), and (x,y), what is the area of the triangle?
(1) y^2−2y−3=0
(2) x^2=y^2
- by rakeshd347
Mon Oct 21, 2013 7:47 pm- Forum: Data Sufficiency
- Topic: Good DS question
- Replies: 2
- Views: 1402
Buster leaves the trailer at noon and walks towards the stud
Buster leaves the trailer at noon and walks towards the studio at a constant rate of B miles per hour. 20 minutes later, Charlie leaves the same studio and walks towards the same trailer at a constant rate of C miles per hour along the same route as Buster. Will Buster be closer to the trailer than ...
- by rakeshd347
Mon Oct 21, 2013 7:11 pm- Forum: Problem Solving
- Topic: Buster leaves the trailer at noon and walks towards the stud
- Replies: 3
- Views: 2483
heyguys... i chkd the question...d source is SPJAT.. n d OA is B I am really suspected on the OA. first, this question has never been discussed in any forum. Second let us say that OA is B for argument sake. So the total distance is 1792. So the man covered 896km at the speed of 84km/hr and 896 at ...
- by rakeshd347
Mon Oct 21, 2013 2:53 pm- Forum: Problem Solving
- Topic: dist
- Replies: 8
- Views: 4020
Quick Sell Outlet sold a total of 40 televisions, each of which was either a Model P TV or A Model Q TV. Each Model P sold for $p and each model Q sold for $q. The average selling price of the 40 televisions was $141. How many of the 40 televisions were Model P Televisions? 1 - Model P sold for $30...
- by rakeshd347
Mon Oct 21, 2013 12:57 pm- Forum: Data Sufficiency
- Topic: GMATPREP DS
- Replies: 3
- Views: 1459
AB is the diameter of the circle. CD is parallel to AB. What is the length of minor arc CD? (1) The radius of the circle is 12. (2) The measure of ∠CAB is 30º http://s15.postimg.org/4n48ehf47/370.jpg Answer C We can answer this question without performing any calculations. Instead, we can use so...
- by rakeshd347
Mon Oct 21, 2013 12:19 pm- Forum: Data Sufficiency
- Topic: Good DS question :
- Replies: 9
- Views: 6771
The United States has the largest trade deficit of any country on Earth, other nations, such as China and Japan, holding stores of US dollars that increase each year. (A) other nations, such as China and Japan, holding (B) and other nations, like China and Japan, holding (C) with other nations, lik...
- by rakeshd347
Mon Oct 21, 2013 12:11 pm- Forum: Sentence Correction
- Topic: The United States has the largest trade deficit of any
- Replies: 1
- Views: 1927
A man completes a journey in 40 hours. He travels half of the journey’s distance at the rate of 84 km/hr and the other half of the journey’s distance at the rate of 96 km/hr. Find the total distance that the man covered during the journey? (A)448 km (B) 1792 km (C) 896 km (D)908 km Hi Mate, As ...
- by rakeshd347
Mon Oct 21, 2013 12:06 pm- Forum: Problem Solving
- Topic: dist
- Replies: 8
- Views: 4020
Great explanation, Vivek! A big takeaway here is that, when it comes to Standard Deviation, the GMAT LOVES to test one's knowledge of the fact that standard deviation = 0 when all of the numbers in a set are identical. Cheers, Brent Hi Brent, I knew that same numbers will have 0 SD. However, i got ...
- by rakeshd347
Mon Oct 21, 2013 2:10 am- Forum: Data Sufficiency
- Topic: GMATPREP DS
- Replies: 6
- Views: 1757
Rakesh, SD varies with Mean i.e. the farther the numbers from mean.. greater will be SD. So, {A} & {E} are surely out I am stuck between {B}, {C} & {D}. I know we can solve and find, but GMAC doesn't want us to do so. However, if the question had been "which of the combination will res...
- by rakeshd347
Mon Oct 21, 2013 2:06 am- Forum: Problem Solving
- Topic: Difficult Math Question #50 - Standard Deviation
- Replies: 16
- Views: 9514
Rakesh, SD varies with Mean i.e. the farther the numbers from mean.. greater will be SD. So, {A} & {E} are surely out I am stuck between {B}, {C} & {D}. I know we can solve and find, but GMAC doesn't want us to do so. However, if the question had been "which of the combination will res...
- by rakeshd347
Mon Oct 21, 2013 2:03 am- Forum: Problem Solving
- Topic: Difficult Math Question #50 - Standard Deviation
- Replies: 16
- Views: 9514
Rakesh, SD varies with Mean i.e. the farther the numbers from mean.. greater will be SD. So, {A} & {E} are surely out I am stuck between {B}, {C} & {D}. I know we can solve and find, but GMAC doesn't want us to do so. However, if the question had been "which of the combination will res...
- by rakeshd347
Mon Oct 21, 2013 1:59 am- Forum: Problem Solving
- Topic: Difficult Math Question #50 - Standard Deviation
- Replies: 16
- Views: 9514
A set of data consists of the following 5 numbers: 0,2,4,6, and 8. Which two numbers, if added to create a set of 7 numbers, will result in a new standard deviation that is close to the standard deviation for the original 5 numbers? A). -1 and 9 B). 4 and 4 C). 3 and 5 D). 2 and 6 E). 0 and 8 Answe...
- by rakeshd347
Mon Oct 21, 2013 1:17 am- Forum: Problem Solving
- Topic: Difficult Math Question #50 - Standard Deviation
- Replies: 16
- Views: 9514
Hi rakeshd347, I'm all for style rules/patterns, but standard grammar rules come first. In this SC, regardless of whether you use the word "including" or "being", you still need to follow parallelism rules. In the first part of the sentence, the "format" is "autho...
- by rakeshd347
Mon Oct 21, 2013 1:11 am- Forum: Sentence Correction
- Topic: Usage of including? expert help please
- Replies: 5
- Views: 2028