Good Riddles

 
Riddle #441 (medium)

Question: Countless blades that bend with a touch,
exploited by kids who want to make a buck.

What am I?

Riddle #754 (medium)

Question: To give me to someone I don't belong to is cowardly, but to take me is noble.
I can be a game, but there are no winners.

What am I?

The 6 sisters (medium)

Question: There are 6 sisters. Each sister has 1 brother. How many brothers are in the sisters' family?

By Bist

Question: Imagine that you enter a room, but the door shuts behind you and you are locked inside. The room is 3 meters high, and 6 meters x 6 meters as a square form. It is dark, the floor is metal just like the walls and the ceiling. You cannot destroy the walls, ceiling, floor or door. How to you get out?

THE TRIANGLE (medium)

Question: Which triangle will have a larger perimeter : 3,4,5 or 3,4,7 ?