In a hostel there are one hundered 40-W lamps, ten 60-W fans and a 1000-W electricity over. If all the appliances are used for 5hours daily, Find the electric bill in an month of 30 days If the cost of 1 B.O.T unit is 30paise.

An electric heater of 1000W is used for 2 hours a day. What is the cost of using it for a month of 28 days, if 1 unit costs ? 3.00 ?

Two electric bulbs of 100W each are used for 8 hours daily. Find the cost of using them for 1 day if the rate is 75 paise per unit

In a house there are four bulbs each of 50W and 5 fans each of 60W. If they are used at the rate of 6 hours a day, the electrical energy consumed in a month of 30 days is

A 2k W heater used for 1 h every day consumes the following electrical energy in 30 days

An electric appliance rated 400 W is used 5 hours per day in the month o June. If the cost of a unit is ₹3.00 , find the energy bill for June.

If an electric iron of 1200 W is used for 30 minutes everyday, find electric energy consumed in the month of Aprill.

In a house there are ten 60-watt lamps. Three 40-watt flourorescent tubes and three 40-watt fans. When all these are switched on what is the current drawn from the mains if the supply voltage is 220V? Calculate the power drawn and the cost for using them for 6hours daily in a month of 30 days.( 1 B.O.T. unit costs 30 pasise).

Following items are used in a house: What will be the electric bill of the house for two months (each month of 30 days.) if the rate of power is Rs. 1.35 per unit?