Level 3
5 poles are placed along the breadth of a rectangular field. The space between 2 poles is 50 m. If 10 poles are placed along the length of the rectangular field in the similar way, what is the perimeter of the rectangle? Give the answer in meters.
3 m
Level 3
Mr Smith planted 10 trees in a row for his garden. The distance between each tree and the next was equal for all the trees. The distance between the first tree and the fifth tree was 20 m, what was the distance between the 1st tree and the 8th tree?
4 m
Level 3
Ten potted plants are placed in a straight row at equal distance apart. The distance between the first and fourth potted plant is 6 m. What is the distance between the first and last potted plant?
4 m
Level 3
Some lanterns were hung in a row at equal distances. The distance between the 2nd and the 4th lantern was 8 m. What was the distance between the 1st and the 7th lantern?
4 m
Level 3
14 lamp posts are placed along a road at equal distances. The distance between the 5th and the 9th lamp post is 16 m.
  1. What is the distance between 2 lamp posts?
  2. What is the distance between the 1st and the last lamp post?
4 m