In an evening college there are 100 bulbs of 60 W each , 80 bulbs of 100W each and 70 fans of 100 W each . They run for 5 h , 4 h and 4 h respectively per day . If each kW . H costs Rs. 0.50 , calculate the electric bill of the college for a month .

In a house there are 10 lamps of 40 W each , 5 fans of 80 W each and a TV set of 80 W . They run for 6 hours a day . Find the consumption of electrical in a month of 30 days . What is its value in BOT unit ?

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 three bulbs of 100w each are lighted for 4 hours daily and six tube lights of 20 W each are lighted for 5 hours daily and a refrigerator of 400 W is worked for 10 hours daily for a month of 30 days. Calculate the electricity bill if the cost of one unit is Rs 4.00

In a hous there are 20 lamps of 60 W each 10 fans which operate in 0.5A current . If main power supply is 220V , expense per kW h is 50 pise and each appliance runs 6 h per day then calculate the electric bill of November .

If 10 bulbs of 40 each and 3 of 100w each run on the average for 5 hours a day, calculater the monthly bill.1 bot unit costs Rs2. (1 month = 30 d)

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 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

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

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