Calculate the electricity bill amount for the month of November of a family if 4 tube lights of 40 W each for seven hours, a TV of 150 W for three hours and two bulbs of 60 W each for four hours are used per day. The cost per unit is RS 3.50.

Calculate the units of electricity consumed in the month of November form the following details. One 60 W bulb used for 5 hours daily. One 100 W bulb is used for 3 hours daily. One 1 kW electric heater is used for 2 hour daily. Also calculate the monthly bill at the rate of 2.50 per unit.

Calculate the units of electricity consumed in the month of September form the following details. (i) One 40 W bulb used for 5 hours daily. (ii) One 100 W bulb used for 4 hours daily. (iii) One 240 W electric fan used for 4 hours daily. Also calculate the monthly bill at the rate of Rs 3 per unit.

Ten 50W bulbs are operated for 10 hours per day. The energy consumed in kWh in a 30 day month is

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

If a TV of rating 100 W operates for 6 hours per day, find the number of units consumed in a leap year.

A household uses two elelctric fans of rating 80 W each for 12 hours each day, find energy consumed.

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 .