If -5 0 ? 1) s^2 4

Question

If -5 0 ?

1) s^2 > 4

2) 1/s > 1/3

tennis1ball · Answer

B.

1) x > 2 or x < -2. Insuff.

2). 1/s > 1/3 > 0. so s > 0 is definite. Suff.

Matrix02 · Answer

B for me as well

From 1) Can be 3, -3 or 4, -4 so NOT SUFFICIENT
From 2) Can be 1 or 2 (1/1 and 1/2 > 1/3) Both are > 1 SUFFICIENT

halahpeno · Answer

B

Statement 1:

S^2 > 4

S can equal 3, -3, 4, -4 (and all the decimals / irrational numbers in between) - insufficient

Statement 2:

1/S > 1/3

S can equal 1 or 2 (or again, any decimal / irrational number between 3 and 5, too), but it must be positive. - sufficient

trivikram · Answer

How can answer for this be B? 1/s > 1/3 means s<3 if s<3 there is no gurantee that s > 0 For example 2<3 but 1/2 >1/3 since 0.5 > 0.333 Please let me know if I am faltering somewhere

trivikram · Answer

Posting it again How can answer for this be B? 1/s > 1/3 means s<3 if s<3 there is no gurantee that s > 0 For example 2<3 but 1/2 >1/3 since 0.5 > 0.333 Please let me know if I am faltering somewhere

londonluddite · Answer

i) s>2 or s<-2 INS
ii) 1/s > 1/3 s must be +ve and > 0 SUFF

B

ivymba · Answer

trivikram, if 1/3 is + ve then any number greater than 1/3 will be +ve .

If its of the form 1/s . 1 is not negative therefore s has to be > 0 .

AK47 · Answer

i haven't read other people's explanation...but i got E

is the oa right??


MY MISTAKE...it's b

kevincan · Answer

Here you are assuming that s>0. If s>0, you would need to change the sign

If -5 <s<5 and s is not 0, is s>0 ? 1) s^2 > 4

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