An electric heater is rated at 2.5KW. Calculate the cost of energy consumed by it in 25 days if it is run for 3.5 hours daily. The cost of 1KWH is priced at Rs.9.00.
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Answer:
total time of running the heater in 25 days = 3.5×25= 87.5 hrs
cost of energy = 9×2.5×87.5
= ₹1968.75
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