Question

Ajay enjoys winter but his grandmother feels cold and uses a room heater during chilly winters evening. If in the month of December, she uses a 1.5 kW room heater for an average of 4 hours each day and a 100 W bulb for 5 hours each day, calculate the cost of doing so, if electricity is being charged at the rate of 8 per unit.​

Answer 1

Answer:

what is the meaning of this question.