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A 12 meter chimney sweep has 7 rods of length 5.1, 4.5, 2.7, 2.1, 1.2, 0.9 and 0.6m. Which five rods will reach to top?

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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?

posted Jan 4, 2018 by anonymous

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