A house if fitted with a motor of 1 H.P., 5 lamps consuming 0.2 A each and two fans of 80W each. If all the appliances work for 5 hours per day, calculate the montly bill. Energy is supplied at 220V and costs 20 paise per kWh. Take one month=30 days.

A house is fitted with 20lamps of 60W each, 10fans consuming 0.5A each and an electric kettie of resistance 110Omega . If the energy is supplieda at 220V and costs 75 paise per unit, calculate the monthly bill for running appliances for 6 hours a day. take 1 mont =30days.

A house is fitted with 20 length of 60 watt each 10 fans consuming 0.5 ampere each an electric kettle of resistance 110 Omega . If the energy is supplied at 120 V and costs 150 paise kWh , calculate monthly bill for running these appliances for 6 hours a day (1 length = 30 days).

A house is fitted with 10 lamps rated 100W each, four fans each containing 0.5A. An electric kettle of resistance 100 Omega and an electric iron of 12Omega . If the energy is supplied at 200V and costs 50paise per kWh, calculate the bill for running the appliances four hours in a day for the month of February.

Radha's house is fitted with 2 lamps of 60W each and 2 fans consuming 0.4A each . If energy is upplied at 200V and coats Rs. 2.50 per kWh. Find the monthly bill if all the appliances run for 10 hours a day.

In a factory 4 bulbs of 100W each and 5 fans of 110W each operate for 12 hours daily.Calculate the units of electricity consumed.Also find the total expenditure if 1 unit costs Rs.2.50

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.

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

Two bulbs of 100 W each and two coolers of 250 W each, work on an average 6 hours a day. If the energy costs Rs. 1.75 per kWh , calculate the monthly bill and the minimum fuse rating when power is supplied at 250 V .

In a house two 60W electric bulbs are lighted for 4 hours, and three 100 W bulbs for 5 hours everyday. Calculate the electric energy consumed in 30 days.

A refrigerator having a power rating of 350W operates for 10 hours a day. Calculate the cost of electrical energy to operate if for a month of 30 days. The rate of electrical energy is Rs. 340 per kWh.