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  3. 6th Class
  4. Mental Ability
  5. Mensuration

6th Class Mental Ability Mensuration Question Bank Mensuration

  • question_answer
    Find the perimetre of a square whose area is \[\mathbf{64}\text{ }\mathbf{c}{{\mathbf{m}}^{\mathbf{2}}}\].

    A) 64 cm                 

    B)       32 cm

    C) 16 cm                 

    D)        8 cm

    E) None of these

    Correct Answer: B

    Solution :

    Explanation Option [b] is correct. Area of the square \[=64c{{m}^{2}}.\] Hence, \[{{\left( Side \right)}^{2}}=64.Side=\sqrt{64}=8cm.\] Thus the perimetre of the square \[=4\times 8=32cm.\]


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