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Source: — Data Sufficiency |
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by Night reader » Fri Feb 11, 2011 6:50 am
IOM A
given: s is not equal to t; s+t=0 s=-t OR t=-s
st(1) s+0= t+0 Sufficient, t=-s
st(2) this one is not Sufficient
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by earnest10 » Sat Feb 12, 2011 2:17 pm
btgyes wrote:...
my thought process :

stmt 1 : same distance from 0 implies two scenarios ---- t & s are on opposite side of 0 OR on the same side of 0 ( t = s), this is INSUFF.

Stmt 2 :

0 is between t &s implies opposite sides, but the values of t &s are unknown. INSUFF.

1&2

Sufficient.
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by Night reader » Sat Feb 12, 2011 4:22 pm
heh :)
given: s is not equal to t; s+t=0 s=-t OR t=-s
earnest10 wrote:
btgyes wrote:...
my thought process :

stmt 1 : same distance from 0 implies two scenarios ---- t & s are on opposite side of 0 OR on the same side of 0 ( t = s ?), this is INSUFF.

Stmt 2 :

0 is between t &s implies opposite sides, but the values of t &s are unknown. INSUFF.

1&2

Sufficient.
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