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?

A household uses six electric tubes of rating 18 W each for 6 hours each day. calculate the electricity bill of the household for the month of april if the cost per unit of electric energy is rs.4.00

A houeshold uses the following electric appliances : (a) Refrigerator of rating 400 W for ten hours each day. (b) Two electric fans of rating 80 W each for twelve hours each day. (c ) Six electric tubes of rating 18 W each for 6 hours each day. Calculate the electricity bill of the household for the month of the june if the cost per unit of electric energy is ₹ 3.00 .

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.

There are six 40 W and two 100 W lamps , four 40 W fans and a 1000 W electric heater in a house .If in April , each lamp runs for 5 hours a day , each fan 15 hours a day and the heater 2 hours a day , what will be the electric bill for that month ? It may be supposed that the main supply voltage is 200 V and cost of each BOT unit = Rs. 1.50. Which one of the give three wires of rating 5 A , 10 A and 15 A will be appeopeiate for connection in the main switch ?

An electric bulb rated 60 w is used 10 hours per day for 20 days. If the cost of a unit is Rs 3.00 find the energy bill.

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 is 3.00 ?

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 ?

An electrical appliance of 1000 W is used 6 hours/day. What is the electricity bill of the appliance in one day it the rate charged by electricity board is Rs.4/unit?

The following are the number of electric bulbs purchased for alodging house during the first four months of a year