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In the figure above, what is the length of AC ?

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In the figure above, what is the length of AC ?  [#permalink]

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New post Updated on: 31 Oct 2018, 21:07
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A
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C
D
E

Difficulty:

  15% (low)

Question Stats:

90% (00:35) correct 10% (01:09) wrong based on 29 sessions

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Originally posted by carcass on 31 Oct 2018, 09:04.
Last edited by Bunuel on 31 Oct 2018, 21:07, edited 1 time in total.
EDITED.
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Re: In the figure above, what is the length of AC ?  [#permalink]

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New post 31 Oct 2018, 09:13
carcass wrote:
Attachment:
length.jpg


In the figure above, what is the length of AC ?

1. x + y = 13

2. xy=36


1. AC= 2(x+y) =2*13 = 26 Suff
2. If xy=36, x,y have diff possible pair if they are strictly integers e.g., (1,36),(2,18) etc ..... if we consider non-integers there will be more e.g., \((\frac{36}{7} , 7)\), \((\frac{36}{11},11)\).... etc..... so x+y will be having varied results for each pair. --Not Suff .......................Thus Ans A
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Re: In the figure above, what is the length of AC ? &nbs [#permalink] 31 Oct 2018, 09:13
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In the figure above, what is the length of AC ?

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