Q1Written answer
Shyamli bought a battery. She read on it ‘Life: 2000 hours’. She uses it throughout the day and the night. How many days will the battery run?
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Worked solution
The life of the battery = 200 hours
She uses it all day and night, i.e. for 24 hours
So, the number of days the battery will run = 2000 ÷ 24
Thus, the battery will run for 83 days.