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Sunday Times Teaser 2699 – Low Power

by Peter G Chamberlain

In the addition:

  K I L O
+ W A T T
  H O U R

different letters consistently represent different digits and WATT represents a number that is a perfect power.

What three digit number does LOW represent?

2 Comments Leave one →
  1. brian gladman permalink

  2. geoffrounce permalink

    Taking the suggestion from Teaser 2697 on board, I permuted the 10 digits in groups of (4,3,3) digits to cut down the total number of permutations and get a reasonable run time:

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