An electric bulb of 60w of lighted for 10hour in a day.what is the amount to be paid in a month of 30days .If one of electricity of costs 3.50?
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An electric bulb of 60w of lighted for 10hour in a day.what is the amount to be paid in a month of 30days .If one of electricity of costs 3.50?An electric bulb of 60w of lighted for 10hour in a day.what is the amount to be paid in a month of 30days .If one of electricity of costs 3.50?An electric bulb of 60w of lighted for 10hour in a day.what is the amount to be paid in a month of 30days .If one of electricity of costs 3.50?
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