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For all positive integers m, [m]=3m when m is odd and [m]=

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Re: Seemingly easy PS question! Help! [#permalink] New post 01 Jul 2011, 11:34
[9]*[6] = 27*3 = 81. This often leads people to choose answer choice A, but notice that answer choice A is not equal to 81. The [] function is applied to each answer as well; answer choice A is [81] = 3*81 = 243. D is the correct answer, because [27] = 3*27 = 81 = [9]*[6].
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Re: Tough Algebra, Can anyone help me? Thanks!! [#permalink] New post 01 Jul 2011, 19:07
thanks subash...the explanation was superb...i was wondering why it was not 81..in fact it is 81 but the answer is in the format of [27] thats all..thanks mate
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Re: Seemingly easy PS question! Help! [#permalink] New post 08 Jul 2011, 20:03
The answer is C. Plug in numbers and calculate.
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Re: Seemingly easy PS question! Help!   [#permalink] 08 Jul 2011, 20:03
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