Thursday, September 16, 2010

is x-y+1 greater than x+y-1?

(1) x '>' 0
(2) y '<' 0 reformat the question:

is x-y+1 '>' x+y-1
- take move x's and y's to one side and numbers to the other

is y '<'1

statement 1) doesnt tell us anything about Y
statement 2) if y'<'0 then y must be '<'1

B is the answer


ANs : B....

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