Delta-K,  Problem Solving,  Volume 6, Issue 3

PUZZLES TO PONDER

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 6 Issue 3, April 1967

11 – 12

PUZZLES TO PONDER

Editors T. P. Atkinson and S. E. Sigurdson

Replace the letters in the three names with digits O, 1, 2, … , 9 so as to name three numbers in Hindu-Arabic numerals, with the third number being the sum of the first two. To help you get started, D represents 5.