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48. An electric heater marked 550 W is used for8 hours a day. If the rate of electricity charge is Rs. 0.20per unit, then the total expenditure would be :(a) Rs.0.38 0 (6) Rs. 7.70(c) Rs.0.88(d) Rs. 188119oo |
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Answer» rupees 7.70 is there total expenditure solve kr k btao I don't understand what you siad Option c is correct as:- |
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