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Thanks for your reply.I dont seem to get the third sentence that you posted below,why is it incorrect?And what makes the previous two correct? If you find time,could you please clarify my doubt in MGMAT SC :Majority,Minority,Plurality too. Here's the link http://www.beatthegmat.com/mgmat-sc-doubts-m...

by dddanny2006

Fri Mar 21, 2014 1:45 pm
Forum: Sentence Correction
Topic: Help!! Manhattan SC "When to repeat and when not to
Replies: 4
Views: 2363

MGMAT SC doubts:Majority,Minority,Plurality.

Page 46,of the MGMAT SC guide: The words MAJORITY,MINORITY & PLURALITY are either singular or plural,depending on their context.If you want to indicate the many individual parts of the totality,use a plural verb. Example 1 :The majority of the students in this class ARE hard workers If you want ...

by dddanny2006

Wed Mar 19, 2014 12:14 pm
Forum: Sentence Correction
Topic: MGMAT SC doubts:Majority,Minority,Plurality.
Replies: 2
Views: 1751

Help!! Manhattan SC "When to repeat and when not to

Hi guys. These feature in the Manhattan GMAT SC guide and didnt add up. "Many teachers choose to seek employment in the suburbs rather than face low salaries in the city". Why cant we have it this way :rather than to face low salaries in the city "The joint business venture will incre...

by dddanny2006

Tue Mar 18, 2014 4:48 pm
Forum: Sentence Correction
Topic: Help!! Manhattan SC "When to repeat and when not to
Replies: 4
Views: 2363

Hello Sir, I initially did make a mistake here resulting in me getting A)391 as the answer.I considered December to be immediately before January rather than Jan-Feb-March----- December When I thought of it in the latter format,I did understand it much better But when we think of Jan in terms of bei...

by dddanny2006

Mon Mar 17, 2014 4:16 pm
Forum: Problem Solving
Topic: GMAT = Twisted maths?
Replies: 5
Views: 1694

So you mean 100/25 equals 4.This 4 can be represented as 0.4 *10 to the power of 1.And this 0.4 is a terminated decimal.Is my understanding correct now? Thanks Sir.I was of the opinion that 4 was an integer.Do we represent that 4 as 4.0?Is this the mechanism that makes it a decimal? A little confuse...

by dddanny2006

Sun Mar 16, 2014 10:53 am
Forum: Data Sufficiency
Topic: Terminated decimal
Replies: 9
Views: 7987

Thanks Sir.I was of the opinion that 4 was an integer.Do we represent that 4 as 4.0?Is this the mechanism that makes it a decimal?A little confused.Because everywhere I saw something relating to terminating decimals,it was just a 1/3 or a 25/4 and other similar decimals,never did I come across an in...

by dddanny2006

Sun Mar 16, 2014 1:59 am
Forum: Data Sufficiency
Topic: Terminated decimal
Replies: 9
Views: 7987

Hey Brent In this particular problem Statement 1 says r is a factor of 100 1,2,4,5,10,25,20,50 and 100 are factors of 100 Now let s be equal to 4 and let r be 100 Now we have (r/s)=100/25 =4 Next lets have s=10 and r=2 (r/s)=0.2(non recurring) So I guess it should be insufficient because we could ge...

by dddanny2006

Sat Mar 15, 2014 2:50 pm
Forum: Data Sufficiency
Topic: Terminated decimal
Replies: 9
Views: 7987

Thanks Patrick You are over-thinking it Daniel. Profit is always total revenues - total expenses. Think in real world terms. If you buy a toy for $100, and the manufacturer gives you a 50% refund, what did you actually spend? Only $50!. The problem with your formula is that at the end of the day, th...

by dddanny2006

Fri Mar 14, 2014 1:52 pm
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

Thanks Brent. Thank you Brent.What do you make of this? I buy 100 pens from a dealer for $20 a piece I sell 80 of those pens for $30 a piece,since the other 20 dont get sold I return them back to the manufacturer for a 50% refund thats $10 Now if Im asked to find the profit based on the initial inve...

by dddanny2006

Fri Mar 14, 2014 1:51 pm
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

Thank you Brent.What do you make of this? I buy 100 pens from a dealer for $20 a piece I sell 80 of those pens for $30 a piece,since the other 20 dont get sold I return them back to the manufacturer for a 50% refund thats $10 Now if Im asked to find the profit based on the initial investment of 100p...

by dddanny2006

Fri Mar 14, 2014 1:27 pm
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

Well,Yes I do understand it.Infact,I did change my post,but I guess you were already in to the reply when I re-edited it.Thanks anyway. A small situation here Patrick. I buy 100 pens from a dealer for $20 a piece I sell 80 of those pens for $30 a piece,since the other 20 dont get sold I return them ...

by dddanny2006

Fri Mar 14, 2014 1:17 pm
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

Thanks Patrick,that was brilliant.I find it hard when it comes to identifying weights.Any tips for me? 50(2/5)+x(3/5)= 60 x=70 But the answer should be 75.Please explain this case and why weighted averages dont work here. Hi Daniel, The guys above explained good ways to solve; I just wanted to addre...

by dddanny2006

Fri Mar 14, 2014 11:54 am
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

Mitch,thanks for that.Can you tell me why weighted averages dont work here?Im very confused.I cant distinguish between straight and weighted average problems. The question reads: A driver completed the first 20 miles of a 40-mile trip at an average speed of 50 miles per hour. At what average speed m...

by dddanny2006

Fri Mar 14, 2014 11:12 am
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

Thanks for this,but the bigger question is:why my method doesnt get me the answer?

theCodeToGMAT wrote:First 20 miles
D = 20
S = 50
T = 2/5

Avg Speed = (40)/(2/5 + t)

60 ( 2/5 + t) = 40

24 + 60t = 40

t = 16/60 = 4/15

Speed = 20/4/15 = 75

[spoiler]{D}[/spoiler]

by dddanny2006

Fri Mar 14, 2014 11:05 am
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107

A tricky PS here

The question reads: A driver completed the first 20 miles of a 40-mile trip at an average speed of 50 miles per hour. At what average speed must the driver complete the remaining 20 miles to achieve an average speed of 60 miles per hour for the entire 40-mile trip? -assume that the driver did not ma...

by dddanny2006

Fri Mar 14, 2014 9:43 am
Forum: Problem Solving
Topic: A tricky PS here
Replies: 15
Views: 4107