Best Riddles and Answers

Question: You have found a mutant algae that doubles in size every hour. It takes 18 hours for one algae plant to take up half of a certain lake.

How long would it take for two of these plants to take up half of the same lake?

Question: I am a cave full of bones,
and the house of a worm.

What am I?

Question: A man and his wife live I a nice cottage in a village near the lake. One day, they were rowing a boat when he wife fell in and the husband went in to get her out but all he could feel were plants, moss, and rocks. Two weeks after the funeral, the man was walking around the lake when he started talking to a new neighbor when the fisherman said some interesting facts. Fisherman: I haven't caught anything today. Maybe because of the fact this lake has no kelp what so ever. Mrs. Montoya was telling me about it yesterday. I always catch fish when there is kelp in a lake or pond. That is just rotten ain't it? The husband said goodbye to the neighbor and went inside and killed himself. Why is this?

Question: A rat is placed at the beginning of a maze and must make it to the end. There are four paths at the start that he has an equal chance of taking: path A takes 5 minutes and leads to the end, path B takes 8 minutes and leads to the start, path C takes 3 minutes and leads to the end, and path D takes 2 minutes and leads to the start.

What is the expected amount of time it will take for the rat to finish the maze?

Question: A man gave one son 10 cents and the other 15 cents.

What time was it?