Question

please give its answer​

Answer 1

so 10 rooms

total number of tubelights=10

total number of fans=10

total power consumed by all tubes in one day=40*10=400 W

total power consumed by all fans in one day=60*10=600 W

total  power consumed in one day=400+600=1000

so now for 30 days it will be=1000*30=30000 W

=30 kW

hope this helps