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29 Apr 2016, 03:51
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
40% (02:10) correct
60%
(02:24)
wrong
based on 111
sessions
History
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Balajikarthick1990
30 Apr 2016, 04:42
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Bunuel
If 5a > 6b, is a greater than zero?
(1) a > b
(2) 4b – 5a = 24
(1) a > b
(2) 4b – 5a = 24
It was tough for me...got confused in the middle ...can u pls explain?
30 Apr 2016, 04:53
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Balajikarthick1990
Bunuel
If 5a > 6b, is a greater than zero?
(1) a > b
(2) 4b – 5a = 24
(1) a > b
(2) 4b – 5a = 24
It was tough for me...got confused in the middle ...can u pls explain?
Hi,
it is slightly tough
Bunuel
If 5a > 6b, is a greater than zero?
(1) a > b
(2) 4b – 5a = 24
(1) a > b
(2) 4b – 5a = 24
5a>6b...
(1) a > b
a=8, and b=4.. satisfies both equation and a>0
a=-2, and b=-3.. again satisfies both equation and a<0..
so different answers
Insuff
(2) 4b – 5a = 24
now 5a>6b or 6b-5a<0.. OR 2b+4b-5a <0..
we know from this statement that 4b-5a = 24,
substitute this value in 2b+4b-5a<0.
SO 2b+24<0..or 2b<-24 and b<-12..
Now initial equation is 4b-5a=24 ,
5a = 4b-24...lets take max value as b=-12 although it is even <-12
5a= 4*-12 -24 =-48-24=-72 so a<0
Suff
B
