Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

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?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

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

If your uncle’s sister is not your aunt, what relation is she to you?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?