An electric toaster has a power rating of 200 W. It operates for 1 hour in the morning and 1 hour in the evening. How much does it cost to operate the toaster for 10 days at Rs 5 per kW h?
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A/c to question, it operates 1 hr in the morning and 1 hr in the evening. So, the cost to operate the toaster = 5 × 4 = 20 Rs. also read similar questions : Some 200 W bulbs are used for 5 hours every day
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coast of operating toaster=102 rs
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