Question

in a house 2 bulbs of 50 W each are used for 5 hours a day and two 70W each fans are used 10 hours a day. Calculate the units of electricity consumed in a month of 30 days.

Answer 1

Hello!Energy of bulbs in 30 days = 2×50×5×30 = 15000 Wh = 15000 kJEnergy of fans in 30 days = 2×70×10×30 = 42000 Wh = 42000 kJTotal energy consumed by fans and the bubs in 30 day = 15000+42000 = 57000 Wh = 57000 kJ                           Ans.Or 57 unit of energy .I hope the answer is correct .Please mark as the best if you liked it!Thank you