Search found 58 matches


Since the impurity in the solution reduces to factor = 1/6 : the quantity of solution should increase to 6 times its original value Applying the above logic - we have the new quantity as 30 x 6 = 180 Quantity of pure petrol added = 180 -30 = 150 Remember - we are not changing the quantity of impurit...

by mk101

Mon Aug 26, 2013 4:40 pm
Forum: Problem Solving
Topic: Percentage-Mixture
Replies: 5
Views: 5360

jayanti wrote:If m - 4 is 7 more than n, then m + 9 is how much more than n + 2?

5
11
13
15
18
if (m-4) is 7 more than n, m is 11 more than n.
Therefore m+ 9 is 20 more than n and 18 more than n+2
ans E

by mk101

Mon Aug 08, 2011 8:06 am
Forum: Problem Solving
Topic: help!!!
Replies: 7
Views: 1548

The measures of the interior angles in a polygon are consecutive integers. The smallest angle measures 136 degrees. How many sides does this polygon have? A) 8 B) 9 C) 10 D) 11 E) 13 There you go ... Another approach to this question - sum of interior angles of a polygon = (n-2)180 - this must have...

by mk101

Mon Aug 08, 2011 8:02 am
Forum: Problem Solving
Topic: How many sides?
Replies: 5
Views: 2389

@Ron - thanx for that clarification - reducing immunity Vs Weakening immunity ...

@Mundasingh - Yesterday, I saw this question ... I HAD marked the answer as option C ..looking at the above discussion the answer seems to be B.. what is the OA??

by mk101

Wed May 18, 2011 6:29 am
Forum: Critical Reasoning
Topic: CR Inference
Replies: 24
Views: 3563

will go with C.
This is an inference question - we have to find the unknown from what is known..

A, B, D,E can be ignored because they do not answer the question..

by mk101

Sun May 15, 2011 8:02 am
Forum: Critical Reasoning
Topic: Knewton HW
Replies: 8
Views: 1160

I think if the question were -"does not strengthen"- then E might have been the answer ...picked this question from some Question bank .. ..no no!!!..... not 1000 Questions

by mk101

Mon May 09, 2011 9:59 pm
Forum: Critical Reasoning
Topic: Marketing to teens online
Replies: 8
Views: 1974

I think the main idea of this passage is - But even if there were no such worries, marketers would need to be aware of pitfalls in trying to reach young consumers online.

by mk101

Mon May 09, 2011 6:12 pm
Forum: Critical Reasoning
Topic: Marketing to teens online
Replies: 8
Views: 1974
by mk101

Mon May 09, 2011 4:03 pm
Forum: Critical Reasoning
Topic: Marketing to teens online
Replies: 8
Views: 1974

Marketing to teens online

With Facebook's decision to allow advertisers to display ads based on information users post on their profiles, the debate over online privacy has gained new momentum, especially since today's teenagers are living out a big chunk of their lives on social networking sites. Advertisers can now target ...

by mk101

Mon May 09, 2011 8:16 am
Forum: Critical Reasoning
Topic: Marketing to teens online
Replies: 8
Views: 1974

AIM GMAT wrote:Anyone with explanation why E is wrong ?
Option E - does not clarify whether rabies is being inoculated or the victims...

by mk101

Sat May 07, 2011 12:16 pm
Forum: Sentence Correction
Topic: Sentence correction -question for the forum
Replies: 15
Views: 2144

Hi Guys, I came across the below problem in an online practice test...can anybody pls provide suggestions to solve it? If the cost of each book is reduced by $10, a person can buy 30 more books for $1800. Find the original price of the book. My approach is : let the original cost of book be x$ if '...

by mk101

Sat May 07, 2011 12:05 pm
Forum: Problem Solving
Topic: profit and loss help!!!
Replies: 5
Views: 935

What option B says mathematically is - 2(Wm-Wa) = (wa - ww) ( Wa = average wt of the whole group, ww = average wt of women, wm = average wt of men) (Wm -wa)/(wa-ww) = 2/1 On simplifying the above equation - 2 Wm + Ww = 3 Wa -----(1) the above equation is similar to the weighted avg equation Nm*Wm + ...

by mk101

Mon May 02, 2011 4:52 am
Forum: Data Sufficiency
Topic: A group of men
Replies: 8
Views: 2267

At a constant Rate of flow, it takes 20 minutes to fill a swimming pool if a large hose is used and 30 minutes if a small hose is Used. At these constant rates, how many minutes will it take to fill the pool when both hoses are used simultaneously? A. 10 B. 12 C. 15 D. 25 E. 50 Let pool = 60 liters...

by mk101

Sun May 01, 2011 4:22 pm
Forum: Problem Solving
Topic: GMATPREP Constant Rate
Replies: 8
Views: 10215

Guess it's four years too late to answer this one ... but here goes my reasoning for the question Conclusion -Humans have had short work days since the times primitive man; the extended work day was /is an aberration -evidenced in initial period of industrialization Option B weakens the counter-stat...

by mk101

Wed Apr 27, 2011 7:38 pm
Forum: Critical Reasoning
Topic: 1000CR: D-9,10
Replies: 11
Views: 6163

The boxes are either 20 lb or 10 lb and the average wt = 18 lb

Total wt - wt of the boxes removed = wt of the remaining boxes

18 *30 - 20*x = 14 *(30 -x)

x = 20

where x is the number of 20 lb boxes removed

by mk101

Wed Apr 27, 2011 4:53 am
Forum: Problem Solving
Topic: Boxes: Averages Problem
Replies: 4
Views: 1064