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20 Apr 2017, 23:43
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
59% (01:59) correct
41%
(01:36)
wrong
based on 129
sessions
History
Date
Time
Result
Not Attempted Yet
21 Apr 2017, 02:53
Kudos
Bookmarks
The answer according to me should be A.
1) r=8+t
Even if t is 1 (minimum possible value in this case), then r=9.
Sufficient.
2) -rt=8
rt= -8
Either of the two nos. is negative but we don't know which one.
Not sufficient.
I have a doubt here. We are not given that the r and t are positive integers. Then we are just assuming in statement 1 that they are positive and thus its sufficient. Otherwise statement 1 can be insufficient if t= -ve and is less than -8 i.e. -9, -10,.........then r would be less than 0.
Bunuel can you please clear this doubt ? When should we assume that the given variables are positive or not? Because looking at statement 1, both scenarios can be possible.
1) r=8+t
Even if t is 1 (minimum possible value in this case), then r=9.
Sufficient.
2) -rt=8
rt= -8
Either of the two nos. is negative but we don't know which one.
Not sufficient.
I have a doubt here. We are not given that the r and t are positive integers. Then we are just assuming in statement 1 that they are positive and thus its sufficient. Otherwise statement 1 can be insufficient if t= -ve and is less than -8 i.e. -9, -10,.........then r would be less than 0.
Bunuel can you please clear this doubt ? When should we assume that the given variables are positive or not? Because looking at statement 1, both scenarios can be possible.
21 Apr 2017, 03:36
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Bookmarks
Shiv2016
The answer according to me should be A.
1) r=8+t
Even if t is 1 (minimum possible value in this case), then r=9.
Sufficient.
2) -rt=8
rt= -8
Either of the two nos. is negative but we don't know which one.
Not sufficient.
I have a doubt here. We are not given that the r and t are positive integers. Then we are just assuming in statement 1 that they are positive and thus its sufficient. Otherwise statement 1 can be insufficient if t= -ve and is less than -8 i.e. -9, -10,.........then r would be less than 0.
Bunuel can you please clear this doubt ? When should we assume that the given variables are positive or not? Because looking at statement 1, both scenarios can be possible.
1) r=8+t
Even if t is 1 (minimum possible value in this case), then r=9.
Sufficient.
2) -rt=8
rt= -8
Either of the two nos. is negative but we don't know which one.
Not sufficient.
I have a doubt here. We are not given that the r and t are positive integers. Then we are just assuming in statement 1 that they are positive and thus its sufficient. Otherwise statement 1 can be insufficient if t= -ve and is less than -8 i.e. -9, -10,.........then r would be less than 0.
Bunuel can you please clear this doubt ? When should we assume that the given variables are positive or not? Because looking at statement 1, both scenarios can be possible.
You should not assume that a variable is positive or integer at all.
