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

When it is alive we sing, when it is dead we clap our hands. What is it?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

Be active and find the killer in the picture Riddle below.

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I have Rs.50 and I spend it in the way as below.

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I make two people out of one. What am I?