Question

In a house there are five bulbs of 100 W each, six of 60 W each and eight of how
each. All of them are used for three hours a day. How many units of electricity will
be used up in 30 days? How much is the electricity bill to pay at Rs. 4.80 per
unit?​

Answer 1

Answer:

Suppose in house there are four bulbs of 100 W each, six of 60W each and six of 40 W each. All

of them are used for two hours a day. How many units of electricity will be used up in 30 days?

How much will they have to pay at Rs. 2.80/- per unit.