In.a house40 w of 2 bulbs runs for 2 hours ,60w one bulb for 2 hours, 250 w t v for 2 hours 800 w stove 2 hours .for an unit the charge is 3.25 then how much they have to pay
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Answer:
they have to pay Rs 22.75 if 1 unit = Rs 7
Explanation:
unit 3.25× 7= 22.75
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