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1. In a garden, there are 10 rows and 12 columns of trees. The distance between any two trees is 2 m and a distance of 1m is left from all sides of the boundary of the garden. What is the length of the garden?
- A. 20 m
- B. 20 m
- C. 20 m
- D. 20 m
Answer: Option A
Explanation:
11 × 2 = 22 m, 1 m is left from the upper and lower side. So length of the garden = 22 - 2 = 20m No, of now is less than no of column, so length of column is the length of the garden.
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