steilbergauf wrote:
If x is positive, is x > 4?
(1) (4-x)^2 < 1
(2) (x-4)^2 < 1
(1) (4-x)^2 < 1
Let x = 3.5.........(4-3.5)^2 < 1..........(1/2)^2 < 1.........Answer is No
Let x = 4.5.........(4-4.5)^2 < 1..........(-1/2)^2 < 1.........Answer isYes
Insufficient
(2) (x-4)^2 < 1
Let x = 3.5.........(4-3.5)^2 < 1..........(1/2)^2 < 1.........Answer is No
Let x = 4.5.........(4-4.5)^2 < 1..........(-1/2)^2 < 1.........Answer is Yes
Combine 1 & 2
Use same examples
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