Answers

2016-04-12T23:18:54+05:30
For the tortoise,

Distance covered, s = 100 m = 0.1 km
Time taken = 15 minutes = 1/4 h = 0.25 h

Speed of tortoise, v = s/t
                                = 0.1/0.25
                                = 0.4 km/h
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