A household has four bulbs of 100 W each. If the bulbs operate for 10 hours daily, find the monthly expenditure incurred?(Cost of 1 unit=Rs. 2.50 )
a) Rs. 75
b) Rs. 250
c) Rs. 300
d) Rs. 2500
Answers
Answer:
c) 300 (Correct Answer)
Step-by-step explanation:
According to the information provided in the question it is given as
A household has four bulbs of 100 W each. If the bulbs operate for 10 hours daily,
We need to find monthly expenditure incurred?(Cost of 1 unit=Rs. 2.50 )
Total wattage = 4 x 100
= 400 w
It is given that this wattage daily consumed for 10 hours
Per day consumption of wattage = 400 x 10
= 4000 watt hour
Per day unit = 4000 /1000
= 4 unit
1 month = 30 days (Average )
Monthly unit = 30 x 4
=120 unit
Bill / expenditure = 120 x 2.50
= 300 Rupees /month
Hence option (c) 300 correct answer
Step-by-step explanation:
A household has four bulbs of 100 W each. If the bulbs operate for 10 hours daily, find the monthly expenditure incurred?(Cost of 1 unit=Rs. 2.50 )
a) Rs. 75
b) Rs. 250
c) Rs. 300✔✔
d) Rs. 2500