Solve the alphametic puzzle by replacing the alphabet with the number.

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Before Mount Everest was discovered, what was the highest mountain in the world?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

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!

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

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?