Question

5.
Suppose in a house there are four bulbs of 100W each four of 60W each and six of 40W
each. All of them are used for five hours a day. How many units of electricity will be
used in 30 days ? How much will they have to pay at 3/- per unit.
up
889
A) 132 kWh, 396 B) 396 kWh, 132
C) 276 kWh, R 396
D) 240 kWh, 340​

Answer 1

Answer:

I think the answer is D)240kwh,340 .