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Rewriting in form of power of 10
(15 x 10^m-4)/(3 x 10^k-2) = 5 x 10^7
5 x 10^m-4-k+2 = 5 x 10^7
Equating powers of 10,
m-4-k+2 = 7
m-k-2 = 7
m-k = 9
Ans A
- by dendude
Sun Aug 21, 2011 3:30 pm- Forum: Problem Solving
- Topic: Exponents and Scientific Notation
- Replies: 2
- Views: 3183
Here's how I solved it, Distance = 480m 1st heat - A runs 480m whereas B runs only 432m because of the 48m headstart, SpeedA = 480/ta1; SpeedB = 432/tb1 Here ta1 = tb1 - 6 (since A beats B by 1/10th of a min = 6secs) 2nd heat - A runs 480m whereas B runs only 336m because of the 144m headstart, Spee...
- by dendude
Sun Aug 21, 2011 5:48 am- Forum: Problem Solving
- Topic: A marathon-Hard Q.
- Replies: 4
- Views: 1828
Congrats Cramya.. This post was long pending I guess..
Thanks for all of your help..
I'm sure I'll see you as a moderator soon.. Hope you stick around to dish out more gyaan..
All the best in you app process!!!
- by dendude
Tue Aug 11, 2009 9:05 am- Forum: I just Beat The GMAT!
- Topic: 710(Q:48(83) V:39(87) Overall: 92) Happy and content
- Replies: 15
- Views: 4341
I'm going with E. Here's my reasoning, The star (most productive) employees never had any work to do on Fridays in the first place. They were able to get all of their work done in the 4 days. This is not the case for other employees. By keeping them away from work on Friday the president is actually...
- by dendude
Mon Jul 27, 2009 9:32 am- Forum: Critical Reasoning
- Topic: SaleCo employee’s
- Replies: 11
- Views: 3228
The answer will have to be C
Only it provides a co-relation between the price of Wood pulp and the demand in Japan and W.Europe.
The quality of the wood pulp would be considered OOS with respect to the argument
- by dendude
Thu Jul 16, 2009 5:38 pm- Forum: Critical Reasoning
- Topic: Wood pulp
- Replies: 16
- Views: 3391
I arrive at D after using POE. Its possible that the only remaining buildings from pre-1930s are the buildings that were continued to be used and not demolished. In other words, there could have been many more other buildings, built before 1930s, that had shoddy carpentry work and were hence demolis...
- by dendude
Mon Jul 13, 2009 8:02 am- Forum: Critical Reasoning
- Topic: Guidebook writer
- Replies: 30
- Views: 16956
- by dendude
Sun Jul 05, 2009 8:36 pm- Forum: Critical Reasoning
- Topic: excavated site
- Replies: 16
- Views: 3972
IMO D
Charitable institutions would have to reduce services or close only if their sole benefactors are Wealthy individuals
This is what the argument assumes.
What if there were corporates that made donations and were not affected by this proposed law? Then the argument would not hold.
- by dendude
Fri Jul 03, 2009 11:27 am- Forum: Critical Reasoning
- Topic: OG 10- Federal Tax laws
- Replies: 10
- Views: 4366
IMO E The argument is, out of the total number of ppl switching states, the proportion going to SunState has decreased by 10% But if the total number of ppl itself has increased overall, assuming the same proportion (with the 10% decrease) going to SunState, the actual number of ppl going to SunStat...
- by dendude
Wed Jul 01, 2009 11:58 am- Forum: Critical Reasoning
- Topic: SunState retirees
- Replies: 15
- Views: 2736
Amazing Improvement.
You should be real proud of yourself. Great Show!!
Good luck on your app'ing stage!
- by dendude
Mon Jun 29, 2009 9:14 am- Forum: I just Beat The GMAT!
- Topic: Yes, I did it !!! 760(Q50, V42)
- Replies: 30
- Views: 17853
IMO C (A) But yet there was a cost reduction though not upto expectation. Does not weaken (B) Out of scope (C) Shows that 15% cost reduction could be achieved without the new process. And therefor new process does not contribute to cost reduction. Weakens the argument (D) Product attributes Out of s...
- by dendude
Fri Jun 26, 2009 9:00 am- Forum: Critical Reasoning
- Topic: trial production
- Replies: 11
- Views: 3215
But we should weaken the claim that the government’s plan is obviously working. So if Many Levaskans who already had long-term savings have steadily been transferring those savings into the special accounts, it suggests that the government’s plan is working! The Govt's plan is to increase saving an...
- by dendude
Tue Jun 23, 2009 11:19 am- Forum: Critical Reasoning
- Topic: citizens of Levaska - pls comment and answer
- Replies: 10
- Views: 7939
The answer is D by process of elimination. Negating each option and checking if the argument falls apart is the best way to deal with a tricky assumption question. (A) Universities are the only institutions that have an obligation to guarantee intellectual freedom. [there could be other institution...
- by dendude
Mon Jun 22, 2009 7:36 am- Forum: Critical Reasoning
- Topic: Assumption
- Replies: 7
- Views: 2126
- by dendude
Mon Jun 22, 2009 7:26 am- Forum: Critical Reasoning
- Topic: Postal Service
- Replies: 5
- Views: 1585
- by dendude
Wed Jun 17, 2009 10:49 am- Forum: Sentence Correction
- Topic: Question I'm writing for interactive GMAT site--Magoosh
- Replies: 13
- Views: 1960