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4. It was Mammu's birthday and I decided to buy for her some sweets. There was an old woman in the candy shop. I noticed something very strange, while she was weighing out the sweets. She had just six wieghts and a balance scale. That's all she had. With just this she was able to weigh any unit number of ounces of candy-right from 1 to 364.
Can you say what the six weights were? ANS: 1,3,9,27,81,243
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