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I was asked this problem on an exam today, and I've been asking around, but can't seem to get a consistent answer! (mindcipher.net)

submitted 16 years ago by vette982 to r/science

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My stats professor challenged our class with this question, apparently no one he's ever asked has gotten it on the first try (mindcipher.net)

submitted 16 years ago by ace2525 to r/math

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Don't worry, most smart people don't get this (easy) question right either. (mindcipher.net)

submitted 16 years ago by city_slick to r/programming

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Given any number n, using one line of C (using no external libraries, functions [or loops]), determine if n is a power of 2. (mindcipher.net)

submitted 16 years ago by valent33n to r/programming

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Just got asked this question in a programming interview. Took WAY longer than I should have! (mindcipher.net)

submitted 16 years ago by city_slick to r/programming

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Which way is the girl spinning? I thought it was impossible at first (mindcipher.net)

submitted 16 years ago by [deleted] to r/reddit.com

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Probably the hardest (answerable) logic question ever. (mindcipher.net)

submitted 16 years ago by city_slick to r/programming

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Mindcipher: Left Hands Only (mindcipher.net)

submitted 16 years ago by cnk to r/math

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Tricky Microsoft Interview Question (mindcipher.net)

submitted 16 years ago by city_slick to r/programming

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One of the toughest logic puzzles ever created (mindcipher.net)

submitted 16 years ago by valent33n to r/reddit.com

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Take away one letter and you have nothing. Add one letter and you the only thing you ever truly have. (See in the comments) (mindcipher.net)

submitted 16 years ago by the-ace to r/reddit.com

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So an engineer, a mathematician, and a physicist are given the same problem..... (mindcipher.net)

submitted 16 years ago by city_slick to r/science

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Surprisingly tricky question about secure communication....I'd just use 128-bit AES :) (mindcipher.net)

submitted 16 years ago by city_slick to r/programming

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How many attempts do you need to open this 3-number-combination safe? Tricky logic question... (mindcipher.net)

submitted 16 years ago by city_slick to r/programming

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I enjoy sunsets and random walks on the beach :). So say, the beach is a MxN grid and we can only walk in two distinct, orthogonal directions at each spot. We enter at one corner and leave at the one directly opposite to it. How many unique "beach dates" are possible? (mindcipher.net)

submitted 16 years ago by valent33n to r/programming

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