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There is a very small room in which four cats are sitting on the four corners. Opposite to each cat are three cats and at each cat's tail, is one more cat.

How many cats are sitting in that room all together?

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There is a box full of marbles,

all but two are blue,

all but two are green,

and all but two are red.

How many marbles are in the box ?

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I have 100 coins in my wallet.

What is the minimum number of coin(s), i would be required in order to make sure each coin touched exactly three other coins.

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Sahir enters the bank he aim to rob and finds Jai standing inside armless. He aims a gun at him and asks him the code for the safe. Jai says, 'The code is different every day but if you hurt me, you will never get to know the code'.

Sahir pins him down and ties him with a rope. He then insert the code of the safe and easily takes all the money with him.

How did he know the code ?

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A sea diver is a real show off.

He showed everyone that he can hold his breath under water for 15 minutes.

I went to the diver and told him that i can be under water for double the time i.e 30 minutes.

He responded that he will give me 1000$, if i would be able to do it.

I won the 1000$.

what did i do ?

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Mr. Rawat wishes to cross a the Sahara desert.

It requires 6 days to cross.

One man can only carry enough food and water for 4 days.

What is the fewest number of other men required to help carry enough food for Mr. Rawat to cross ?

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Sherlock Homes was challenge to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

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There was some system error in a mailing website because of which passwords of some clients got changed.

Here is a conversation between a client and mailing-website executive person.

Client : My password is altered.

Client : I am not able to logged-in.

Executive : The password is distinct this time and it got eight letters , out of which two are same of your previous password.

Client: thanks , now i am able to logged-in.

Whats the client old and new passwords ?

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I have mixed 13 decks of cards.

What is the minimum number of cards must be taken out from the above mixed cards to guarantee at least one 'four of a kind'.

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Six jugs are in a row.

The first three are filled with coke, and the last three are empty.

By moving only one glass, can you arrange them so that the full and the empty glasses alternate?