If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Count the number of triangles in the picture below:

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What two things can you never eat for breakfast?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

Find out the missing number in the picture attached: