I am white when I am dirty, and black when I am clean. What am I?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

I make two people out of one. What am I?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

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

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

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?