A television (65w), a refrigerator (1.2kw), an electric kettle (650w) and 10 lamps (40w each) are connected in series in a house. How much will it cost the house keeper to switch on all the appliances for 24 hours if the cost of electricity is 15 Kobo per Kwh?
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Asked by Ebiye on 25th March, 2023
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