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8th Class Mathematics Squares and Square Roots Question Bank Squares and Square Roots

  • question_answer
    What is the value of \[{{(501)}^{2}}-{{(500)}^{2}}\]?

    A)  \[1\]                                    

    B)                         \[101\]                

    C)                         \[1001\]                             

    D)                         \[100\]                                

    Correct Answer: C

    Solution :

    We have, \[{{(n+1)}^{2}}-{{n}^{2}}=(n+1)+n\] So, \[{{(501)}^{2}}-{{(500)}^{2}}=501+500\] \[=1001\]


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