Which Indian cricketer is known as "Brown Bradman"?

Where is the mouth of the River Nile?

Which festival in honour of a Roman god was forbidden in Rome in 186 BC?

What birds are found in quantity on the red-tinged, shallow salty waters of Laguna Colorado, Bolivia?

Where are the palatine bones?

What ancient Sumerian city stood on the banks of the Euphrates River between 3200 and 2300 BC?

What is the direct source of power which drives a Newcomen pump?

What is Ruth Rendell, Baroness Rendell of Babergh, CBE, popularly known for?

Belgian landscape and garden designer Jacques Wirtz specialised in sculpture using what medium?

Among several athletes who have run barefoot in the history of Olympic Games, who ran barefoot in 1986 Summer Olympics?

The numbers 1 up to 16 must be placed in the circles of the square depicted below, in such a way that the sum of the numbers in each row, column, and diagonal amounts to 34. How should the numbers be arranged in the square?

Each empty white square in the grid contains one of the numbers 1, 2, 3,..., 8. Each of the horizontal and vertical equations must be true and each number must be used exactly once.

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But I also know how many of these numbers are prime.

Do you?

In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?