Question

An electric bulb of 60W is lighted for 10 Hrs. a day. What is the amount to be paid in way. If one unit of electricity of cost Rs. 4.50

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Answer 1

Answer:

Power= 60 Watt

Everyday Use = 10 Hours

Total Days= 30

Cost Of elctricity per unit= 4.50 Rs.

Find:-

Total amount to be paid in 30 days

Given:-

The days can be calculated in total hours used in 30 days

Hence, Days x Everyday Use = 30 x 10 = 300 Hours

Convert, 60 Watt into Kwatt = 60/1000

By Formula,

Unit= Kwatt x Time (in hours)

U= 60/1000 x 300

U= 18

Hence, total unit used is 18.

By Formula,

Cost= Unit x Rupees per unit

Cost= 18 x 4.50

Cost= 81 Rupees

Answer 2

Answer:

This is your answer.

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