Question

In a house 10 bulbs of 100 watt each, 5 fans of 80 watt each,a refrigerator of 300 watt and a heater of 1 KW is used.Bulbs and fans are used 10 hrs. per day, refrigerator used24 hrs. and heater used 2 hrs. per day. Find the cost ofelectric at the rate of Rs. 5 for 1 month​

Answer 1

Answer:

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