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  3. 5th Class
  4. Mental Ability
  5. Geometrical Shapes

5th Class Mental Ability Geometrical Shapes Question Bank Geometrical Shapes

  • question_answer
    What is the minimum number of straight lines that is needed to construct the figure?

    A)  11                  

    B)  13

    C)  15                  

    D)  21

    Correct Answer: B

    Solution :

    [b] The figure may be labeled as shown. The horizontal lines are AE and JF i.e. 2 in number. The vertical lines are AJ, CH and EF i.e. 3 in number. The slanting lines are AG, BF, JD, IE, AB, DE, JI and FG i.e. 8 in number. Total number of straight lines needed to construct the figure = 2 + 3 + 8 = 13.


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