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?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Can you spot the hidden girl in the picture below?

Prove that twice of ten is the same as twice of eleven.

What is the last thing you take off before bed?