IMO E as well...
Stmt 1 -
2x-2y = 1
=> x - y = 1/2
Let x = 1, y = 1/2 => x-y=1/2, both x and y are positive.
Let x = -1/2 , y= -1 => x-y =1/2 both x and y are negative.
Insufficient
Stmts 2 -
x/y>1
=> x > y
x = 2 , y = 1 both are positive.
x = 2, y = -1, x is positive and y is negative
Insufficient
Stmt 1 and Stmt 2 -
Same example as in stmt 1
Insufficient
any idea how to solve the following two questions?
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Source: Beat The GMAT — Data Sufficiency |
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pradeepsarathy
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PussInBoots
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