7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    What is the 4th term of a pattern described by the expression \[{{n}^{2}}+1\]?

    A)  \[18\]                                  

    B)         \[17\]  

    C)  \[24\]                  

    D)         \[16\]

    Correct Answer: B

    Solution :

     Substitute \[n=4\] in \[{{n}^{2}}+1\] and simplify. \[{{n}^{2}}+1={{(4)}^{2}}+1=16+1=17\]


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