What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

By using 'because' continuously three times, can you make an English statement ?

Can you find the mistake in the below statement?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What goes through cities and fields, but never moves?

Which tank will fill first?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

How can you tell a raw egg from a hard-boiled egg?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?