Search found 258 matches
IMO is the argument read " public opinion opposes time consuming coal mining" then D makes more sense.. otherwise imo E is much better....
- by PAB2706
Mon Feb 27, 2012 8:25 pm- Forum: Critical Reasoning
- Topic: The removal of hillsides
- Replies: 12
- Views: 2224
- by PAB2706
Sun Aug 28, 2011 8:30 am- Forum: Problem Solving
- Topic: pls tell me how to solve this.
- Replies: 9
- Views: 1944
can u tell me a simple way to solve this
What is the sum of all the two-digit
positive integers whose two digits are
odd?
(A) 1225
(B) 1275
(C) 1325
(D) 1375
(E) 1425
- by PAB2706
Sun Aug 28, 2011 2:41 am- Forum: Problem Solving
- Topic: can u tell me a simple way to solve this
- Replies: 2
- Views: 1346
even odd
If N is a positive integer and TN is the
sum of all the positive integers from 1 to
N, inclusive, is N even?
(1) TN is even.
(2) T2N is even.
Note : the N & 2N are subscript.
- by PAB2706
Sun Aug 28, 2011 2:39 am- Forum: Data Sufficiency
- Topic: even odd
- Replies: 7
- Views: 1649
pls tell me how to solve this.
Set A is made up of every 1/n
, where n is
a positive integer and 100 ≤ n ≤ 150.
If S is the sum of all the elements in A,
then:
(A) S < 1/3
(B)1/3 < S < 1/2
(C) 1/2 < S < 1
(D) 1 < S < 1 1/2
(E) 1 1/2 < S < 2
- by PAB2706
Sun Aug 28, 2011 12:41 am- Forum: Problem Solving
- Topic: pls tell me how to solve this.
- Replies: 9
- Views: 1944
number theory
If T is a set of more than two numbers, is
the sum of all the elements in set T equal
to zero?
(1) If n is in T, then –n is also in T.
(2) The number of negative numbers in
T equals the number of positive numbers
in T.
- by PAB2706
Sat Aug 27, 2011 10:27 pm- Forum: Data Sufficiency
- Topic: number theory
- Replies: 12
- Views: 2241
- by PAB2706
Thu Jul 21, 2011 12:13 am- Forum: Sentence Correction
- Topic: a bruck can
- Replies: 7
- Views: 1510
Well I don't agree.... when we say there is no application , does not mean we cannot make something... A says . Products cannot presently be made out of plastic recycled entirely from the currently lowest commercial grade. There is nothing stated in the arg whether we can make or not make plastics f...
- by PAB2706
Sat Jul 16, 2011 8:46 pm- Forum: Critical Reasoning
- Topic: Glass and Plastic
- Replies: 6
- Views: 1301
pentagon / triangle
There are eight points marked on the circle. how many different pentagons and different triangles can be drawn using these eight points. For each pentagon that is drawn, a blue disc is put in a bag and for each triangle that is drawn a red disc is put in the bag. what the the probability of choosing...
- by PAB2706
Mon Apr 11, 2011 12:36 am- Forum: GMAT Math
- Topic: pentagon / triangle
- Replies: 1
- Views: 2139
Geologic records
The geologic record indicates that a dessert expands and contracts in response to altering dry and wet climatic periods, whether there is any human intervention. a) b) with or without human intervention. c) when there is human intervention and when there is none. d) human intervention or not. e) no ...
- by PAB2706
Sat Aug 28, 2010 6:50 am- Forum: Sentence Correction
- Topic: Geologic records
- Replies: 1
- Views: 1053
- by PAB2706
Tue Sep 29, 2009 8:02 pm- Forum: Data Sufficiency
- Topic: freshmen or a senior
- Replies: 7
- Views: 1685
I think answer is C
stat 1 and 2 clearly insuff.
taking together we get following possibilities
f s
8 34
9 36 not possible bcos 9+36=45
we have just 42 students.
m i missing something?
- by PAB2706
Tue Sep 29, 2009 7:59 pm- Forum: Data Sufficiency
- Topic: freshmen or a senior
- Replies: 7
- Views: 1685
- by PAB2706
Mon Sep 28, 2009 9:20 pm- Forum: Critical Reasoning
- Topic: Movies
- Replies: 12
- Views: 3500
- by PAB2706
Thu Sep 24, 2009 12:30 pm- Forum: Critical Reasoning
- Topic: Economic Model
- Replies: 15
- Views: 3191
- by PAB2706
Thu Sep 24, 2009 10:09 am- Forum: Critical Reasoning
- Topic: COLLEGE STUDENT
- Replies: 5
- Views: 1625