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प्रश्न
Now you show how Abdu will use these stone pieces to weigh —
4 kg of firewood -
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उत्तर
Abdu can weigh 4 kg of wood by keeping broken stone of 6 kg on the left pan and broken stone of 2 kg on the right pan with firewoods.
The difference = 6 -2 = 4 kg, which will give the weight of firewood.
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