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?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What does this simple rebus mean?

What does the below image rebus riddle means ?

Why is Saturday stronger than Monday?

If 21x = 79x, what is the value of x?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

why number 8549176320 is one of a kind?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?