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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:
15%
(low)
Question Stats:
86% (00:54) correct
14%
(00:59)
wrong
based on 40
sessions
History
Date
Time
Result
Not Attempted Yet
03 Sep 2018, 15:03
Kudos
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Nirenjan
\(A,B\,\,\, > 0\)
\(A\,\,\mathop > \limits^? \,B\)
\(\left( 1 \right)\,\,A = 5\,\,\,\left\{ \begin{gathered}\\
\,{\text{If}}\,\,\,\,B = 1\,\,\, \Rightarrow \,\,\,\,\left\langle {{\text{YES}}} \right\rangle \hfill \\\\
\,{\text{If}}\,\,\,\,B = 5\,\,\, \Rightarrow \,\,\,\,\left\langle {{\text{NO}}} \right\rangle \hfill \\ \\
\end{gathered} \right.\)
\(\left( 2 \right)\,\,2A = 5B\,\,\,\, \Rightarrow \,\,\,\,A = \frac{5}{2}B\,\,\mathop > \limits^{\left( * \right)} \,\,B\,\,\, \Rightarrow \,\,\,\,\left\langle {{\text{YES}}} \right\rangle\)
\(\left( * \right)\,\,\,\frac{5}{2} > 1\,\,\,\,\mathop \Rightarrow \limits^{ \cdot \,B\,\,\left( {B\, > \,0} \right)} \,\,\,\frac{5}{2}\left( B \right) > 1 \cdot B\,\,\,\,\, \Rightarrow \,\,\,\,\,\,\frac{5}{2}B > B\,\)
Conclusion: the right answer is (B).
The above follows the notations and rationale taught in the GMATH method.
Regards,
fskilnik.
Chethan92
Joined: 18 Jul 2018
Last visit: 21 Apr 2022
Posts: 901
Own Kudos:
Given Kudos: 95
Location: India
Concentration: Operations, General Management
Schools: IIMB EPGP'22 (M)
GMAT 1: 590 Q46 V25
GMAT 2: 690 Q49 V34
WE:Engineering (Energy)
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04 Sep 2018, 10:45
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From statement 1:
No info about B.
Hence insufficient.
From statement 2:
2A = 5B
Or A = 2.5B
Clearly A is greater than B.
2 is sufficient.
B is the answer.
No info about B.
Hence insufficient.
From statement 2:
2A = 5B
Or A = 2.5B
Clearly A is greater than B.
2 is sufficient.
B is the answer.
