The centre of the third figure is empty. What digit should fit inside?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

There are forty elephants and they have forty-fore heads. How can this be possible?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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

No one wants to have it, but if one got it, he does not want to lose it. What is It?