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March 18, 2010

Frog

A frog fell into a well thirty-two feet deep. Each day he jumped two feet up the wall and slid back down one foot each night. […]
March 18, 2010

Weights

There are ten bags, each containing ten weights, all of which look identical. In nine of the bags each weight is 16 ounces, but in one […]
March 18, 2010

Horse

A man bought a horse for $60 and sold it for $70. Then he bought it back for $80 and sold it for $90. How much […]
March 18, 2010

Eyes

Yesterday I went to the zoo and saw the giraffes and ostriches. Altogether they had 30 eyes and 44 legs. How many animals were there? Solution: […]