What do you answer even though it never asks you questions?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?