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4th Class Mental Ability Arithmetical Reasoning Question Bank Arithmetical Reasoning

  • question_answer
    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 gardan is

    A) 24 m                      

    B) 20 m        

    C) 22 m                      

    D) 26 m

    Correct Answer: A

    Solution :

    Each row contains 12 plants. There are 11 gaps between the two corner trees \[\left( 11\times 2 \right)\] metres and 1 metre on each side is left. \[\therefore \] Length \[=\left( 22+2 \right)\]m = 24 m.


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