Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you solve below mathematical equation?

2^1234 - 2^1233

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

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

How many sides does a circle have?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

A sundial has the fewest moving parts of any timepiece. Which has the most?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?