Eight of us go fourth, not back, to protect our king from an attack. What are we?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

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

Can you write down eight eights so that they add up to one thousand?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Why Aeroplane windows are round?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?