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If x^2/4 is an integer greater than 50 and x is a positive i
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09 Aug 2017, 15:19
09 Aug 2017, 15:19
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Question Stats:
50% (01:14) correct
50% (01:11) wrong based on 100 sessions
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If \(\frac{x^2}{4}\) is an integer greater than 50 and x is a positive integer, then what is the smallest possible value for \(x^2\)?
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Show: :: OA
256
Re: If x^2/4 is an integer greater than 50 and x is a positive i
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10 Jul 2018, 01:56
10 Jul 2018, 01:56
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\(x^2/4>50\) and \(x^2,x^2/4\) is an integer <-> \(x^2>200\) and \(x^2\) are an integers.
We see that \(14^2=196, 15^2=225, 16^2=256\), but \(14^2=196<250\), \(15^2=225\) is not divisible by 4.
So the answer is 256.
We see that \(14^2=196, 15^2=225, 16^2=256\), but \(14^2=196<250\), \(15^2=225\) is not divisible by 4.
So the answer is 256.
General Discussion
Re: If x^2/4 is an integer greater than 50 and x is a positive i
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11 Aug 2017, 21:16
11 Aug 2017, 21:16
how could it possible????
Posted from my mobile device
Posted from my mobile device
