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Rohini on her way to write her Mathematical Olympiad decided to calculate the speed of the
train that she was travelling in. To cover a certain distance with a speed of 45 km/hr, the train
took 8 hours. If it covered the same distance in 5 hours, what would be its speed?
72 km/h
70 km/h
75 km/h
80 km/h
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Answer:
a. 72 km/ h
by using the formula speed = distance / time
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