Math, asked by yashgone312, 10 months ago

An electric refrigerator rated 400 W is used for 8 hours a day. An electric iron
box rated 750 W is used for 2 hours a day. Calculate the cost of using these
appliances for 30 days, if the cost of 1 kWh is Rs. 3/--

Answers

Answered by tanejakca

3

(400*8+750*2)*30*3/1000
(3200+1500)30*3/1000
4700*30*3/1000
₹423 /-

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