an electric heater rated 550 W is on for 1 hr/day. Calculate the cost for 30 days if 1 unit is equal to rupees 3
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Answer:
₹ 49.5
Explanation:
1Kw is considered as 1 unit
550watt × 1hour × 30days = 16500watts
units in 16500 are 16500/1000 = 16.5Units
1 unit = ₹3
16.5 unit = 16.5×3= ₹49.5
Total bill is equal to ₹49.5
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