f you were running a race, and you passed the person in 2nd place, what place would you be in now?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Give it food and it will live; give it water and it will die.

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

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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?