In a household electric circuit 3 electric bulb each of 60 watts are uded 8 hrs in a day and an AC if 1500 watts is used 5 hrs daily .find the cost of electricity bill at the rate of ₹7.50 per unit
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bulb electricity = 3 * 60 * 8 = 1440 watts
AC electricity= 1500 * 5 = 7500 watts
total = 7500 + 1440 = 8940 watts or 8.94 kilowatts
per month of 30 days = 8.94 * 7.5 = rs67.5
Hence per month bill = 67. 5 Rs
AC electricity= 1500 * 5 = 7500 watts
total = 7500 + 1440 = 8940 watts or 8.94 kilowatts
per month of 30 days = 8.94 * 7.5 = rs67.5
Hence per month bill = 67. 5 Rs
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