400 Refrigerator Operates For 16 Per Day Calculate Cost To Operate If For 30 Days At Rs 40 Kwh

A 400 W refrigerator operates for 16 h per day. Calculate the cost to operate if for 30 days at Rs 3.40 kWh.

Answers:

Cost of energy consumed = Rate × kWh (unit) 

                                          = 3.40 × 192 

                                          = 652.80