a tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km per hour
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tortoise move 400 m in 1 hour
so, 1000 m = 1 km
1 m= 1/1000 km
400 m = 1/1000×400
= 2/5 km per hour ..ans
so, 1000 m = 1 km
1 m= 1/1000 km
400 m = 1/1000×400
= 2/5 km per hour ..ans
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