Enigma 1419: Lying about my age
22 June 2013
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From New Scientist #2579, 25th November 2006
The word processor on which I produced this Enigma developed a fault yesterday and it still needs to be repaired. Whenever I type a positive whole number it actually reduces it by a fixed whole number percentage and then, to the nearest whole number, it prints that answer.
So, for example, when I typed my age yesterday it actually printed 49, which was 7 less than it should have been.
How old am I?