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parallelism

Each year companies in the United State could save as much as $58 billion annually by preventing illness among employees and gain as much as $200 billion through improving performance of workers if they simply provided offices with cleaner air. A. annually by preventing illness among employees and...

by xcusemeplz2009

Thu Nov 12, 2009 10:26 am
Forum: Sentence Correction
Topic: parallelism
Replies: 4
Views: 1502

well i am not sure about any rules of comma following and , i may show my way of elimination Minivans carry as many as seven passengers and, compared with most sport utility vehicles, cost less, get better gas mileage, allow passengers to get in and out more easily, and have a smoother ride. Minivan...

by xcusemeplz2009

Thu Nov 12, 2009 10:05 am
Forum: Sentence Correction
Topic: Difficult comma question
Replies: 7
Views: 3356

expanation for this s/c

The Anasazi settlements at Chaco Canyon were built on a spectacular scale with more than 75 carefully engineered structures,of up to 600 rooms each ,were connected by a complex regional system of roads. a) b)with more than 75 carefull engineered structures,of up to 600 rooms each, c)of more than 75 ...

by xcusemeplz2009

Thu Nov 12, 2009 9:53 am
Forum: Sentence Correction
Topic: expanation for this s/c
Replies: 2
Views: 922

IMO C x(y+z)>=o to know this we need to know x whether its a + or -ve and y+z whether its a + or -ve s1)!y+z!=!y!+!z! from this the takeovers are whenever Y>0 ; Z>0 and Y<0 => Z<0 and y=z and y # -z and we r given then x,Y And Z cant be 0 insuff as we dnt knw x S2) same and learnings are same when X...

by xcusemeplz2009

Wed Nov 11, 2009 8:28 pm
Forum: Data Sufficiency
Topic: inequal...ds
Replies: 3
Views: 1402

IMO A

s1) rut x > y
same as +-x>y^2
now y^2 is always +ve and therfore for this statement to be true x must be +ve....(a -ve no. can not be > square of any no.)

hence since x is +ve , x^3>x>y^2>y even if y is -ve

s2) not suff
when x=-2 and y=-3 x^3<y
if x=2 and y=-1 x^3>y

hence A
Wats the OA

by xcusemeplz2009

Wed Nov 11, 2009 7:58 pm
Forum: Data Sufficiency
Topic: inequal...ds roots
Replies: 6
Views: 1603

Re: X - Y > X + Y?

If x != -y, is (x-y) / (x+y) > 1? (1) X > 0 (2) Y < 0 Standard DS answers apply... OA: E I'm not sure how they got the right answer, so if you post, post your reasoning as well. IMO E simplifying (x-y)/(x+y)>1 (x-y)/(x+y)-1>0 -2y/(x+y)>0 to get the ans we need to know 3 things x +ve or -ve y + or -...

by xcusemeplz2009

Wed Nov 11, 2009 7:49 pm
Forum: Data Sufficiency
Topic: X - Y > X + Y?
Replies: 13
Views: 1975

Thanks xcusemeplz2009, I understand what you are saying there....but the problem is that I start losing a lot of time in selecting numbers and most of the time I am not sure if I am selecting the right number and then my mind starts calculating the time I am losing on the question rather than solvi...

by xcusemeplz2009

Wed Nov 11, 2009 3:29 am
Forum: GMAT Strategy
Topic: Absolutes in DS
Replies: 3
Views: 888

Re: Absolutes in DS

Example: Is |x-z|>|x-y|? 1. |z|>|y| 2. 0>x I always find myself struggling with absolute value problems and I am so frustrated that such questions just leave me blank!! I don't even know how to approach such questions, substitution is one way I know...but somehow I don't feel confident about number...

by xcusemeplz2009

Wed Nov 11, 2009 2:46 am
Forum: GMAT Strategy
Topic: Absolutes in DS
Replies: 3
Views: 888

okigbo wrote:(1) zy < 2x^2 – 4xy + 2y^2
IS IT a???

by xcusemeplz2009

Wed Nov 11, 2009 2:32 am
Forum: Data Sufficiency
Topic: reserve tank
Replies: 4
Views: 2432

Thanks. I understand yuor explanation. but why it is wrong to assign d to each half, since both halves are equal ? I bet you have solved problems in which a person goes to town a in 20 miles/hour and goes back home in 40 miles/hour and to calculate the total average speed, we say 2d/(d/20 + d/40) g...

by xcusemeplz2009

Wed Nov 11, 2009 12:06 am
Forum: Problem Solving
Topic: VIC - Best Way To Solve?
Replies: 8
Views: 3950

It'd be best to plug in numbers for this problem but in case you're wondering how to solve this problem algebraically: We're told that Bob bikes to school at a steady rate of x miles per hour. On a particular day, his bike has a flat tire exactly half way to school. Let's assume that the distance f...

by xcusemeplz2009

Tue Nov 10, 2009 11:50 pm
Forum: Problem Solving
Topic: VIC - Best Way To Solve?
Replies: 8
Views: 3950

imo 2/3 IE D EQN IS 4+6R=6/5(4+4R) SOLVING R=2/3 OA PLS Could you explain this equation ? Q4 0 4 1 4+r 2 4+2r 3 4+3r 4 4+4r 5 4+5r 6 4+6r relation given in q is that ht of 6th year is 1/5 taller than ht of 4th year ie is same as 6/5 of 4th year from the above chart 4+6r=6/5(4+4r) 20+30r=24+24r 6r=4...

by xcusemeplz2009

Tue Nov 10, 2009 11:41 pm
Forum: Problem Solving
Topic: Word problems
Replies: 7
Views: 4238

Re: re

I donot remember the source now but it was in critical reasoning and not SC what i want to emphasize is that according to Manhattan SC which should refer to noun preceding which ok i got your doubt well its better you check this link it conludes that which refers to eligible or main noun .... http:...

by xcusemeplz2009

Tue Nov 10, 2009 8:41 am
Forum: Sentence Correction
Topic: Please explain
Replies: 5
Views: 1069

tarun.kirla wrote:sorry its p/q
1 is insuff as it depends on power of 3
1/3 is nonterminating
and we dnt know abt b and d

2 is suff as 3 in den gets cancelled out

by xcusemeplz2009

Tue Nov 10, 2009 8:37 am
Forum: Data Sufficiency
Topic: terminator pq
Replies: 9
Views: 1336

HI NAVDEEP
CAN U PLS POST THE FULL Q

AS I AM NOT ABLE TO GET YOUR DOUBT

by xcusemeplz2009

Tue Nov 10, 2009 8:26 am
Forum: Sentence Correction
Topic: Please explain
Replies: 5
Views: 1069