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

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

How is a fly different from a mosquito?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

What do you call a fish without an eye?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?