Puzzles
The following section introduces logic puzzles. You can find the puzzle solutions in the section that follows this one.
Someone once said, “A puzzle is its own reward.” Enjoy!
Puzzle 1: Remainders
Find the smallest integer (n) that yields a remainder of i – 1 when divided by i, for any i in the range 2 through 10. That is, n % 2 = 1, n % 3 = 2, n % 4 = 3, . . ., n% 9 = 8, n % 10 = 9, in which the percent sign (%) signifies the T-SQL modulo operator.
Puzzle 2: Round Manhole Covers
Why are manhole (maintenance hole) covers typically round? You might find this a strange topic for a puzzle, but the answer lies purely in logic.
Puzzle 3: Shaking Hands
My wife and I were at a party recently with four other married couples. All the people who didn’t ...
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