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Question
The duration of electricity consumed by the farmer for his pump set on Monday and Tuesday was 7 hours 20 minutes 35 seconds and 3 hours 44 minutes 50 seconds respectively. Find the total duration of consumption of electricity.
Solution
Electricity consumption on Monday = 7 hours + 20 minutes + 35 seconds
Electricity consumption on Tuesday = 3 hours + 44 minutes + 50 seconds
Total consumption = 10 hours + 64 minutes + 85 seconds
= 10 hours + (60 + 4) minutes + (60 + 25) seconds
= 10 hours + 1 hrs 4 minutes + 1 minutes 25 seconds
= 11 hours 5 minutes 25 seconds
∴ Total consumption of electricity = 11 hours 5 minutes 25 seconds
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