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

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

Decode below rebus
D
N
A
T
S , D

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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

I am the fastest animal but cannot climb the tree. What am I?

I am white when I am dirty, and black when I am clean. What am I?