The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What two things can you never eat for breakfast?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

Can you fill the blank with the correct number?

6 30 870 756030 _____

How can you drop a raw egg from a height onto a concrete floor without cracking it?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?