Question

In a hour, an electric bulb of 100w, 4tube lights each of 40w are used for 5 hours perday. If the cost of 1 units is Rs 500 , calculate the amount of electric bill for 30 days .

Answer 1

Answer:

First ; there are 4 tube lights in that house

Its 5 hours cost is Rs 500

5×30=150

150×500=75000

75000÷30=2500

30×500=15000

Explanation:

The electric bill for 30 days will

15000Rs