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

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you spot the hidden girl in the picture below?

What do you call a fish without an eye?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Can you find a five letter word that is left with only two letters if one is removed?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?