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
Choose the correct answer:	A) 20 m	B) 22 m	C) 24 m	D) 26 m	E) 28 m
Explanation:   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)= 
<gadget id="calculator">(22 + 2)</gadget>
<output>24</output>
24 m.   Answer: 24 m
<result>C</result>
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