What four weights can be used to balance from 1 to 30 pounds?

Do you know who was buried in John's tomb?

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

What word does this rebus represent?

meta meta
meta meta

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What is the word or phrase?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

If an electric train is travelling south, then which way is the smoke going?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?