You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

In a textile factory, 5 machines take exactly 5 minutes to make 5 shirts. How many minutes will it take 100 machines to produce 100 shirts?

How can you make seven even?

Read this sentence.

   Finished files are the re-
   sult of years of scientif-
   ic study combined with
   the experience of years.

How many times does the letter F appear?

Using each of the letters in this phrase only once, rearrange the letters to make the names of exactly three different animals.

Tall elephant or ape man.