Facts

Birthday and Nine

March 11, 2011 3 Comments

Nine is a mysterious number. I don’t know, if you know that nine (9) is hidden in the birthday of every notable person in the world, past or present? Take George Washington, America’s first President, who was born on 22nd February 1732. Let us write his birthday as the number 2221732. Now we rearrange the digits to get another number say 3227212. We now compute the difference of these two numbers by subtracting the smaller from the larger, as follows:     3227212-2221732 = 1005480 If we add the digits of the of the resulting number until we get a…
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Facts about Zero (0)

February 4, 2011 2 Comments

Zero (0) is most probably the most mysterious number. The ancient mathematicians were far ahead in Maths but they did not realized about Zero (0). The thought that number how low is it there must have a number. There is no number, how it comes?  The feeling of Zero (0) first came from our subcontinent (Indian subcontinent) and it was a great feel in the field of mathematics. And so we can be proud of our mathematicians.     If any number is multiplied by Zero (0) then the answer is Zero (0). But what if we divide any number…
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Geometric Progression

January 28, 2011 1 Comment

Geometrical progressions give rise to numbers which can be extremely large. One of the large numbers arising from geometric progressions is the number of grains of corn that can be placed on a chessboard. According to legend, a man named Sessa invented the game of chess and presented it to the king. The king was so pleased that he promised to reward Sessa with whatever he asked for. Sessa asked for a grain of corn for first of 64 squares of his chessboard, 2 grains for second, 4 for third, 8 for fourth and so on, doubling the number of…
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