Search found 68 matches


I think C is correct.Because it reasons in the argument that zooplanktons feed other animals,declines in pop. are inevitable.
B is just talking about the eating habits which is not mentioned in the CR.How can u assume tat it is affecting their eating habits?

by ontopofit

Thu Aug 06, 2009 12:20 am
Forum: Critical Reasoning
Topic: Phytoplankton
Replies: 10
Views: 1843

the question is if anyone can explain this question..............

the ans is NO. :lol:

by ontopofit

Sun May 17, 2009 2:57 am
Forum: Data Sufficiency
Topic: gp
Replies: 2
Views: 1279

ans. is definitely C.

by ontopofit

Fri May 15, 2009 1:35 am
Forum: Data Sufficiency
Topic: ratio of average
Replies: 9
Views: 1784

B

What we should look for in the question is whether x is even or odd.

from 1) x can be 4(even) or 9(odd).so not sufficient.

from 2) we see that x is even, coz even*odd = even and 3 is odd. sufficient.

by ontopofit

Sat Apr 04, 2009 6:26 am
Forum: Data Sufficiency
Topic: (x^3 + 19837)(x^2 + 5)(x – 3) an odd number?
Replies: 1
Views: 1171

Simpler solution with the formula for mixtures

(%Men - Overall%)/(Overall% - %Women) = no. of women(W)/no. of men(M)

W/M = 3/4

so W=600,M=800

by ontopofit

Sat Mar 28, 2009 1:28 am
Forum: Data Sufficiency
Topic: GMAT prep Question
Replies: 6
Views: 1648

lengthy and diff gmat ques

In his best-selling book The Omnivore's Dilemma, which social critics see as yet another piece of evidence to support their thesis of a burgeoning interest in natural food among Americans, Michael Pollan elucidates industrial farming, explains organic farming, and discusses hunting and gathering foo...

by ontopofit

Tue Mar 17, 2009 12:56 pm
Forum: Sentence Correction
Topic: lengthy and diff gmat ques
Replies: 0
Views: 1330

Hi Bala appreciate ur efforts at this.. I havent read fully but i got it from the first 2-3 questions. thea is a short formula which can be used in a number of problems from avgs to mixtures. say if the initial average was A with N being the number associated and B be the average of the N1 that is b...

by ontopofit

Wed Feb 25, 2009 1:08 pm
Forum: Problem Solving
Topic: Averages Accelerated: Guide to solve Averages quickly
Replies: 18
Views: 8246

B
i got 14 and 5.6.

remember doing similar sort of puzzle long time ago....forgot but i guess there is some short way of doing this.
bala will definitely be knowing that if its possible.plz share.

by ontopofit

Sun Feb 22, 2009 2:30 pm
Forum: Problem Solving
Topic: Problem Solving for 780+ Aspirants.
Replies: 209
Views: 63645

imo E

1) area of sq is 1 --> 2 rectangles are possible -- (4,2) and (8,1)
2) area of rect 8 ---> still 2 rectangles are possible -- (4,2) and (8,1)

hence E

by ontopofit

Sat Feb 21, 2009 11:09 am
Forum: Data Sufficiency
Topic: DOOR out of 8 window panes
Replies: 5
Views: 1511

as we see for a repitition with 8 we shud first see how many such n are thea b/w 1 and 8. here u get this to be 5 so total number of n = 96/8 *(5) = 60.

pbability = 60/96 = 5/8

by ontopofit

Fri Feb 20, 2009 10:53 pm
Forum: Problem Solving
Topic: probability that n(n + 1)(n + 2) will be divisible by 8?
Replies: 3
Views: 2630

here 15 is the number of ppl with either one of the two cars so P(AUB) is not 15 , rather it is 15 + P(both A and B).....equate this and get the answer as 6.

by ontopofit

Fri Feb 20, 2009 10:47 pm
Forum: Problem Solving
Topic: Counting - Set Problem
Replies: 5
Views: 1532

then f(n + 45) will be 45 and not 12.

57+45/57,rem = 45

by ontopofit

Fri Feb 20, 2009 12:00 pm
Forum: Data Sufficiency
Topic: f, m and n
Replies: 6
Views: 1329