What is the total electric energy consumed by 60W bulbs in the whole month?
201.6 Kwh
Total number of 60 W bulbs in 16, which are used for 7 hours per day.
So, in one day total electricity consumed = 16 x 7 x 60 w-hr = 6.72 Kwh
∴ Electricity consumed in 30 days = 201.6 Kwh