You knock a Table over in the library, and suddenly 20 eyes are looking at you.

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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

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