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  4. Quantitative Aptitude
  5. Basic Calculations

Railways Quantitative Aptitude Basic Calculations Sample Paper Square Roots & Cube Roots Sample Test Paper-5

  • question_answer
    What must be added to 24136 to make it a perfect square?

    A)  100                 

    B)  200

    C)  111     

    D)  None of these.

    Correct Answer: B

    Solution :

    [b]                   
    155
    1 \[\times 1\] 2 41 36 1
    25 \[\times 5\] 141 125
    305 \[\times 5\]   1636   1525
        111
    \[\therefore \] \[24136<{{(156)}^{2}}\] \[24136<24336\] \[\therefore \] we add \[24336-24136=200\] So that it becomes a perfect square Not Available


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