Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What English word has three consecutive double letters?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

Why is Saturday stronger than Monday?

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?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?