How can you drop a raw egg from a height onto a concrete floor without cracking it?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Can you place six X (crosses) in below board without making three in a row in any way ?

The centre of the third figure is empty. What digit should fit inside?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

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.

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

Can you find the mistake in the below statement?

Can you count the number of triangles in the given picture?

Why are all black people so quick ?