I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

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

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

In which direction should the missing arrow point?

Can you count the number of lines in the below picture?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Which is faster, Heat or Cold ? Explain.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?