There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

When it is alive we sing, when it is dead we clap our hands. What is it?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

What kind of tree can you carry in your hand?

A charming young lady was approached by a kind looking old woman in a restaurant. The old woman said to her, 'You look exactly like my younger daughter. Sadly she passed away a couple of months back. Could you do me a favor and say 'Goodbye, mother' with a kind smile on your face when I leave?

The young lady agreed for the same and said, 'Goodbye, mother' when the old woman left. Soon after, she got the most disengaging shock of her life.

Can you guess what the shock was?

I look at you, you look at me I raise my right, you raise your left. What am I?

What has to be broken before you can use it?

What will you call your mother's brother's brother-in-law?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H