Question

An electric refrigerator rated 500W operates 20hours per day what is the cost of the energy to operate it in the April month at RS.4.00per unit?

Answer 1

Answer:

Energy used: 500W

For 20 hours it consumes 500w.

For one day: 500W

For  31 days: 500*31=15500

For one unit it takes Rs 4

For 15500 units it takes 15500*4= 62000

Explanation: