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# There are 12 yes or no questions. How many ways can these be

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CEO
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There are 12 yes or no questions. How many ways can these be [#permalink]

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07 Oct 2003, 20:29
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:13) correct 0% (00:00) wrong based on 1 sessions

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There are 12 yes or no questions. How many ways can these be answered?

1) 1024
2) 2048
3) 4096
4) 144

could you explain?

Thanks
Praetorian
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07 Oct 2003, 23:30
1q=2 ways (yes or no)
2q=2 ways (yes or no)
................................
2^12=4096
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