A house wife uses a 100 W bulb 8 h a day , and an electric heater of 300 W for 4 h a day. The total cost for the month of June at the rate of 0.05 rupee per unit will be

a)

Rs 20

b)

Rs 25

c)

Rs 30

d)

Rs 30 paise 50

Question ID - 151266 :-

A house wife uses a 100 W bulb 8 h a day , and an electric heater of 300 W for 4 h a day. The total cost for the month of June at the rate of 0.05 rupee per unit will be

a)

Rs 20

b)

Rs 25

c)

Rs 30

d)

Rs 30 paise 50

1 Answer

5876 Votes

3537

Answer Key : (c) -

(c)

Since the unit of electrical energy is kilowatt hour (kWh),

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