John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Why 1729 is a magic number? Answer Logically.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What can you deduce from the following BrainBat?

CRY
LMKI

Can anyone tell me a word in the English dictionary which has a silent 'z'?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?