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                                    37. If an electric bulb of 100 watt is lighted for 2 hours daily , how much electric energy would be consumed. Also find the cost if cost per unit is 2 rupees | 
                            
| Answer» 37. If an electric bulb of 100 watt is lighted for 2 hours daily , how much electric energy would be consumed. Also find the cost if cost per unit is 2 rupees | |