4 tube light = 40 W ,4 fans = 80 W ,1 smart board = 800 W , average time=6 hours per day use and price per unit taken= 4Rs.
find the monthly consumption ?
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Total wattage= 920
No. of kWhr per day=920/1000*6=5.52
Therefore, total no. of units=5.52*30=165.6
Total cost=165.5*4=662.4Rs
No. of kWhr per day=920/1000*6=5.52
Therefore, total no. of units=5.52*30=165.6
Total cost=165.5*4=662.4Rs
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