Can you name some countries which do not have the alphabet 'A' in them?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

How many sides does a circle have?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Find the next number in the following series:
6, 14, 26, 98, __?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?