Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Name a key which is hardest to turn.

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

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?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

If your uncle’s sister is not your aunt, what relation is she to you?

I have no life, but I can die. What am I?

Why do people go to bed?