What English word has three consecutive double letters?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you find out which number multiplied by itself will give the output as 12345678987654321?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?