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Question

If the electric consumption of your house is 20 kWh in one day and the cost of electricity is Rs 4 per unit, find out how much electricity bill you will have to pay for one month(30 days).


A

Rs.1200

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B

Rs.800

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C

Rs.2400

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D

Rs.3600

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Solution

The correct option is C

Rs.2400


1 kWh is the 1 unit of electrical energy consumed.

Given:
Units consumed in 1 day = 20 kWh = 20 units

Units consumed in one month = 30×20 units=600 units

Cost per unit = Rs.4

Cost for 600 units =
600 units×Rs.41unit=Rs.2400
Hence, electricity bill for 1 month is Rs.2400


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