There are 4posts on a line.If the distance between any two is 20 metre.what is the distance between the first and the last post?
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4
Answer:
It is 60 meter....................
pborah:
pls!step by step explain.
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3
Answer: 60m
Suppose a person is walking from post 1 to post 2, he travels 20m in doing so. Similarly,he walks another 20m from post 2 to post 3 and another 20m from post 3 to post 4. Thus total distance is 60m
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