Answers

2016-02-05T23:32:08+05:30
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
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