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What is step by step solution of You are having 31kg of rice You are provided with a 1kg stone for weighing In how many weights the 31kg of rice can be weighed?
Wiki User
∙ 14y ago
You can do it in 5 steps.
Against the stone (S) weigh 1kg of Rice (1R)
Move 1R to the same side as S and, against S+1R, weight 2R
Move 2R to the same side as S and, against S+3R, weight 4R
Move 4R to the same side as S and, against S+7R, weight 8R
Move 8R to the same side as S and, against S+15R, weight 16R
15R + 16R = 31R.
Wiki User
∙ 14y ago
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How do you use a balance scale?
A balance scale uses a weighing plate and a counter. It typically does not matter which plate is used for which purpose. Begin by placing the item to be weighed on one plate. Place the calibrated counter weights on the opposite plate, beginning with smaller weights, and continue until the item being weighed begins to rise. As the two plate reach the same level, the scale balances, and you have determined the weight of your item.
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