a 65 watt appliance is working 7 hrs daily so how much electricty it will take in 1 month if cost of electricy is 10rs per unit
Answers
Answered by
8
Answer:
- Rs.136.5
Explanation:
Given,
- Power = 65 W
- Time used = 7 h
- Total days = 30
- Cost Of electricity per unit = Rs.10
To find,
- Total amount to be paid.
Solution,
>> Total days × Total time
=> 30 × 7
=> 210 hours
_____________________
>> 65 W to KW
=> 65/1000 KW
=> 0.065 KW
_____________________
>> Unit = Power x Time
=> 0.065 × 210
=> 13.65
______________________
>> Cost = Unit × Rs/unit
=> Cost = 13.65 × 10
=> Rs.136.5
Similar questions