If a puce of rod is 3000m and we have to supply some lamp-posts. One lamp-post is at each end and distance between two consecutive lamp-posts is 75 m. Then, find the number of lamp-posts required.
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Answer:
If a piece of rod is 3000 meter and we have to supply some lamp posts. One post is at each end and distance between two consecutive lamp post is 75 meter. Find the number of post required.
A. 41 B. 39 C. 45 D. 54
Answer by Theo(11342) (Show Source): You can put this solution on YOUR website!
divide 3000 by 75 and you get 40.
i believe you have to add 1 to this to get a total of 41.
for example:
assume the rod is 150 meters.
150 meters divided by 75 = 2
that would be one lamppost at the 75 meter mark and 1 at the 150 meter mark, but you need one at the 0 meter mark as well so you have to add 1 to get 3 lamp posts.
solution appears to be 41.
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