How is a fly different from a mosquito?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

What Time Should the last watch show in the below figure?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

What is the last thing you take off before bed?

Before Mount Everest was discovered, what was the highest mountain in the world?

Give it food and it will live; give it water and it will die.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?