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A House consists of two bulbs of 100W each and two bulbs 60W each. If they are used 4 Hours a day, find monthly consumption charges at Rupees 1.20 per




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Consumption of electricity in a day: 4 hours * {100W+100W+60W+60W]
         = 1.280 kWH
Monthly consumption = 1.28 kWH * 30 = 38.40 KWH

Cost per month = 38.4 KWH * Rs 1.20 / kWH = Rs 46.08

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