Question

calculate the electricity bill amount for 30 days
3 bulbs of 40 watt for 6 hours

Answer 1

energy cosumed by 3 bulbs=

40*3=120watts=0.12Kwatts=0.12units

energy consumed for 6h=0.12*6=0.72units

energy consumed in 30 days=0.72*30=21.6units

So,the energy comsumed in 30 days=21.6units