Calculate the electricity bill amount for a month of april, if 4bulbs of 40watt for 5hrs, 4tube lights of 60watt for 5hrs, t.V. Of 100watt for 6hrs, washing machine of 400watt for 3hrs are used per day. The cost per unit is 1.80 rupees. Calculate the total energy consumed by them in terms of commercial unit of energy. Convert the energy into joules.
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i think the bill would be 16000 rs
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