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Puzzle of the Day

These puzzles are also printed in Eight days a week, a booklet published by the Association of Teachers of Mathematics.The Association of Teachers of Mathematics

A chimney sweep has 7 rods - they are 5.1m, 4.5m, 2.7m, 2.1m, 1.2m, 0.9m, 0.6m. Which five rods will reach exactly to the top of a 12 metre chimney ?

Answer: 5.1, 2.7, 2.1, 1.2, 0.

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