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

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CEO
Joined: 15 Aug 2003
Posts: 3467
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Kudos [?]: 717 [0], given: 781

There are 12 yes or no questions. How many ways can these be [#permalink]  07 Oct 2003, 19:29
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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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Joined: 03 Feb 2003
Posts: 1607
Followers: 6

Kudos [?]: 83 [0], given: 0

[#permalink]  07 Oct 2003, 22:30
1q=2 ways (yes or no)
2q=2 ways (yes or no)
................................
2^12=4096
[#permalink] 07 Oct 2003, 22:30
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There are 12 yes or no questions. How many ways can these be

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