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Bunuel
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If s and t are integers, is ps > pt?
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13 Mar 2017, 07:20
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Difficulty:

25% (medium)

Question Stats:

71% (01:23) correct 29% (00:55) wrong based on 58 sessions

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If s and t are integers, is ps > pt?

(1) p^2*s > p^2*t
(2) p is positive.
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Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum

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rohit8865
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If s and t are integers, is ps > pt?
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13 Mar 2017, 11:10
Bunuel
If s and t are integers, is ps > pt?

(1) p^2*s > p^2*t
(2) p is positive.
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is p(s-t)>0 ??

(1) P^2(s-t)>0
but wehave no infoo of p's sign
if p>0 then Yes
if p<0 then NO
insuff

(2) p>0
but we have no info on s-t..
insuff

Combining p>0 (2) and s-t>0 (1)
thus p(s-t)>0
suff

Ans C
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mbaORnoMBA
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If s and t are integers, is ps > pt?
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13 Feb 2019, 22:55
rohit8865
Bunuel
If s and t are integers, is ps > pt?

(1) p^2*s > p^2*t
(2) p is positive.


is p(s-t)>0 ??

(1)P^2(s-t)>0
but wehave no infoo of p's sign
if p>0 then Yes
if p<0 then NO
insuff

(2) p>0
but we have no info on s-t..
insuff

Combining p>0 (2) and s-t>0 (1)
thus p(s-t)>0
suff

Ans C
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Hi just a question, in P^2 (s-t)>0.

why cant we say that P^2>0 and sq. root both sides for p>0 ?

sorry of this a noob level question, i have just started my prep a few days ago :upsidedown
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