When monkey rotate the gear, which mark will be hit 1 or 2 ?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

How many times can you subtract the number 5 from 25?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What English word has three consecutive double letters?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?