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 ?

They are three errirs in this question. Can you find them?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

Can you spot the man between the coffee bean in the picture below ?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

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

f you were running a race, and you passed the person in 2nd place, what place would you be in now?