Question : What percentage of 15 hours is 18 seconds?
Option 1: $30$%
Option 2: $\frac{1}{30}$%
Option 3: $36$%
Option 4: $\frac{1}{36}$%
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Correct Answer: $\frac{1}{30}$%
Solution :
18 seconds = $\frac{18}{60×60}$ hour
The required percentage is $\frac{18}{15\times60\times60} \times 100=\frac{1}{30}$%
Hence, the correct answer is $\frac{1}{30}$%.
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