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

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?