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?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Find the next number in the series below

21 32 54 87 131 ?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

What occurs twice in a week, once in a year but never in a day?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What question can you never answer yes to?

What is the centre of gravity?