What percentage of a day is six hours and 45 minutes?

7.218%

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8.3%

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28.125%

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None of these

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Solution

The correct option is C 28.125%
A day is 24hrs.
six hours and 45 minutes=
$6 \frac{45}{60} = 6 \frac{3}{4} = \frac{27}{4} H r s$
So, % of a day=
$= \frac{27}{4 * 24} \times 100$
$= \frac{27}{4 * 24} \times 100 = 28.13$
Answer (C) 28.125%

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