Answers

2015-12-15T00:44:25+05:30
1HP = 745.7 W
12HP = 745.7×12 = 8948.4 W = 8.9484 kW 
If it used 8 hours a day, energy consumed by it per day 
= 8.9484 kW × 8h = 71.59 kWh

Total energy consumed in 10 days = 10×71.59 kWh  =715.9 kWh
cost = Rs. 0.50 per kWh
total cost = 715.9 × 0.50 = Rs. 357.94 ~ Rs. 358
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