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 lm is left from all sides of the boundary of the garden. What is the length of the garden?

A 20 m

B 22 m

C 23 m

D 24 m

Solution

Correct Answer: Option A

Here,

The row is only accountable, as length is to be determined.

Now, the formula is= (n-1)*(Distance between two trees)

= (10 - 1) * 2

= 9*2

= 18 m

And, additional 1 m is added on both side, thus (1 + 1) m is to be added with the resultant.

Thus, entire length of the garden is = 18 + (1 + 1)

Solution

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