in a house two bulbs of power 60 watt power is lit for 10 hours and a fan of 80w power is Lit for 12 hours what is the monthly bill of this house when the cost of per kilowatt hour is 4 rupees
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0
Answer:
1440
Explanation:
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Answered by
1
Answer:
Explanation:We have 2 bulbs of 60 watt each means 0.06 kw
Units of both bulb will be 2*(0.06)*(10)=1.2units (here 10 is hrs they lit)
Similarly fan has (0.08)*(12)=0.96 units
Adding both units will be 2.16units
Total cost will be 4*2.16=Rs8.64
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