Question

If 5 bulbs of 100watt, 2 fans of 60 watt and fridge of 400watt work for 10
hours a day find the electrical energy is consumed in one month, also find
the cost of electricity at the rate of Rs 5/per unit.​

Answer 1

10 is the correct answer

Answer 2

Answer:

5 bulbs of 100 W = 5×100 W = 500 W = 0.5 KW

2 fans of 6 W = 2×60 W =120 W = 0.12 KW

fridge = 400 W = 0.4 KW

electrical energy is consumed in one month

1.02×10×30

306 KW

cost of electricity

306×5

Rs. 1530