The time period of 1 hour 45 minutes is what percent of a day?

$1$ hour $45$ minutes $= 105$ minutes

$1$ day $= 24$ hours $= 1440$ minutes

Required percentage:

$= \frac{105}{1440} \times 100$

$= 7.2916%$

$\approx 7.292%$

✅ Correct Answer: 7.292%