Funny Riddles

Question: What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Question: How many animals of each kind did Moses bring on the ark?

Question: If it takes three men two days to dig a hole, how long does it take one man to dig half of a hole?

Question: It turns into a different story.

What is it?

Question: What was the president of the United State's name in 1980?