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In a garden there are 10 rows and 12 columns of...

This question belongs to Competitive Reasoning Arithmetic Reasoning
Arithmetic Reasoning
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In a garden, there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is

Answer & Solution
Correct Answer: Option C
Each row contains 12 plants.
There are 11 gapes between the two corner trees (11 x 2) metres and 1 metre on each side is left.
Therefore Length = (22 + 2) m = 24 m.
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2 Comments
Neel Narlawar
Neel Narlawar 6 years ago
Prosenjit, because they are asking length which is longer side
Prosenjit Biswas
Prosenjit Biswas 7 years ago
Why not 20? Because row 10, means 9 gap, 9×2=18and both sides 1+1=2 , so 18+2=20
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