Olden days

In olden days, the student of logic was given this problem: If half of 5 were 3, what would one-third of l0 be?

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4

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The right way

Jack and Joe were on vacation and driving along a deserted country road from the town of Kaysville to the town of Lynnsville. They came to a multiple fork in the road. The sign post had been knocked down and they were faced with choosing one of five different...

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Explorer

An explorer undertakes to cross a desert with the help of porters. The length of the trail corresponds to 6 days walk. But the explorer, like each porter, can carry only 4 days food. How many porters does the explorer need? In fact, can he cross at all?The...

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3 words

Though small I am, yet, when entire,I've force to set the world on fire.Take off a letter, and 'tis clearMy punch will hold a herd of deer:Dismiss another, and you'll findI once contained all humankind.Spark, park, arkmore...

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Why?

A woman lives in a skyscraper thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up...

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