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IMO is the argument read " public opinion opposes time consuming coal mining" then D makes more sense.. otherwise imo E is much better....
What is the sum of all the two-digit
positive integers whose two digits are
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.
Set A is made up of every 1/n
, where n is
a positive integer and 100 â‰¤ n â‰¤ 150.
If S is the sum of all the elements in A,
(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
If T is a set of more than two numbers, is
the sum of all the elements in set T equal
(1) If n is in T, then â€“n is also in T.
(2) The number of negative numbers in
T equals the number of positive numbers
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...
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...
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 ...
I think answer is C
stat 1 and 2 clearly insuff.
taking together we get following possibilities
9 36 not possible bcos 9+36=45
we have just 42 students.
m i missing something?