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11th Class Mental Ability Numbers Question Bank Question - Number System

  • 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 garden is:

    A) 20m

    B) 22m

    C) 24m

    D) 26m

    E) None of these

    Correct Answer: C

    Solution :

    Explanation Option (c) is correct. Each row contains 12 plants. There are 11 gapes between the two corner tree \[(11\times 2)\]metres and 1 metre on each side is left. Therefore, length \[=\left( 22+2 \right)m=24.\]


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