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# Is a three-storied thing 1991^ odd or even

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SVP
Joined: 03 Feb 2003
Posts: 1607
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Is a three-storied thing 1991^ odd or even [#permalink]  07 Oct 2003, 09:53
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Is a three-storied thing 1991^[91^19] odd or even?
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Joined: 26 Aug 2003
Posts: 233
Location: United States
Followers: 1

Kudos [?]: 2 [0], given: 0

[#permalink]  07 Oct 2003, 12:17
Well in this case the 1 in the unit digit always makes the answer odd.
[#permalink] 07 Oct 2003, 12:17
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# Is a three-storied thing 1991^ odd or even

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