Rehanbhetwal Rehanbhetwal 29-04-2024 Physics Answered the energy bill for a month. (Ans Rs. 24570) Calculate the amount of the electric bill of a hostel for 30 days when fifty bulbs of 40 W each and ten fans of 50 W each are used for 10 hours a day at the rate of Rs. 7 per unit. (Ans Rs. 5250)