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The Fast Growing Tree

Riddle:
A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Answer:
It was 1/2 its Max height in year 9 so..
Nine Years. Because on the 10th year it doubled for the last time and reached the maximun height

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The Fast Growing Tree Riddle Meme.
The Fast Growing Tree Riddle Meme with riddle and answer page link.
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