In a hour 60 w electric bulb are lighted 4 hours and three 100w bulbs for 5 hours every calculate the eletric energy consumed in 30 days
omairsyed21:
what does in a hour mean
it doesnt make any sense in a hour ....are lighted for 4 hours
it must be in a day
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60x4x30=7200
100x3x5x30=45000
7200+45000=52200 ans
100x3x5x30=45000
7200+45000=52200 ans
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