Question

9.What is the total consumption of electricity for a month if five 100 watt bulbs, eight 60w

bulbs, and ten 20watt bulbs are used for 5 hours daily for the month of January.


10.The meter reading for two consecutive months are 600 units and 580 units. If
electricity board charges Rs. 200 as fine for late payment, at the rate of Rs.5 per u
what is the total amount to be paid??
​

Answer 1

Explanation:

1 unit = 1000-watt-hour.

60-watt-hr x 5 x 30 = 9000-watt-hr.

9000-watt-hr = 9 unit.

So, that’s 9 units of electricity that will be consumed with a 60-watt bulb for 5 hours everyday for 30 days.

Total cost will be = ₹ rate/unit x 9 unit

Hope this helps.

(b)The meter reading for two consecutive months are 600 units and 580 units. If the

electricity board charges Rs. 200 as fine for late payment, at the rate of Rs.5 per unit,

what is the total amount to be paid??

KEY