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

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SVP
Joined: 03 Feb 2003
Posts: 1603

Kudos [?]: 308 [0], given: 0

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

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07 Oct 2003, 10:53
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Is a three-storied thing 1991^[91^19] odd or even?

Kudos [?]: 308 [0], given: 0

Manager
Joined: 26 Aug 2003
Posts: 232

Kudos [?]: 13 [0], given: 0

Location: United States

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07 Oct 2003, 13:17
Well in this case the 1 in the unit digit always makes the answer odd.

Kudos [?]: 13 [0], given: 0

07 Oct 2003, 13:17
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