Is x > 0 ?
(1) x^2 > 0
(2) x^3 > 0
If you choose x=-2 and then for statement 2 it would be negative because -2^3 would be -8 right, I am not sure what the questions is asking.
Can someone assist!
DS - 9 from T48
This topic has expert replies
-
- Master | Next Rank: 500 Posts
- Posts: 167
- Joined: Tue Apr 22, 2008 12:48 am
- Thanked: 15 times
question is asking "Is x positive ?"
statement 1 X^2 is positive, So X can be -ve as well as +ve. insuff.
statement 2 X^3 is positive, so X can only be +ve.
Answer B.
Checkout link below to understand more about DS problems.
https://www.beatthegmat.com/some-helpful ... e-t29.html
statement 1 X^2 is positive, So X can be -ve as well as +ve. insuff.
statement 2 X^3 is positive, so X can only be +ve.
Answer B.
Checkout link below to understand more about DS problems.
https://www.beatthegmat.com/some-helpful ... e-t29.html