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A bus travels 54 km in 90 minutes. The speed of the bus is

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$36 km / h$

$60 km / h$

$24 km / h$

$48 km / h$

answer is B.

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Detailed Solution

$Distance travel : 54 km time taken : 90 \min = \frac{3}{2} h Speed = \frac{Distance}{Time}$

$Speed = \frac{54}{\frac{3}{2}} km / h = 54 \times \frac{2}{3} km / h = 36 km / h$

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