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Standard VII
Physics
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Maharashtra,S...
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Maharashtra,Stage-l,2016-TDA washing machine rated 300 W is operated oneand half an hour/day. If the cost of unit 3.50, findthe cost of energy to cooperative a washingmachine for the month of September(1) R 27.90(2) 35.25(3) 47.25(4) 55.90
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