Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

How many triangles are there on the puzzle below?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Spot the cat in the picture below

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What makes this number unique: 8,549,176,320?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?