Question

In a garden, there are 10 rows and 12 columns of mango trees. the distance between the two trees is 2 meters and a distance of one metre is left from all side of the boundary of the garden . The length of the garden is :

• A. 20 m
• B. 22 m
• C. 24 m
• D. 26 m

Answer 1

The correct option is C 24 m

Each row contains $12$ plants.

There are $11$ gapes between the two corner trees $(11\times 2)$ metres and $1$ metre on each side is left.

Therefore Length $=(22+2)m=24m.$