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Arithmetic Reasoning - Verbal and Reasoning

Q1:

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

A 20 m

B 22 m

C 24 m

D 26 m

ANS:C - 24 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) m = 24 m.