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# How many 4-digit positive integers are there in which all 4

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Senior Manager
Joined: 17 Aug 2005
Posts: 394
Location: Boston, MA
Followers: 1

Kudos [?]: 17 [0], given: 0

How many 4-digit positive integers are there in which all 4 [#permalink]  12 Mar 2006, 11:39
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How many 4-digit positive integers are there in which all 4 digits are even?

A. 625
B. 600
C. 500
D. 400
E. 256
Senior Manager
Joined: 17 Aug 2005
Posts: 394
Location: Boston, MA
Followers: 1

Kudos [?]: 17 [0], given: 0

OA is C. I forgot about zero.

To remind myself: zero is an integer and is even. zero is neither pos nor neg.
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