A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What has a ring but no finger?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

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?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Which letter of the alphabet has the most water?

Can you divide the below-given shape into four equal and identical pieces?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

What Adam and Eve do not have but the rest of the people have?