7th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. A          B          C         D

    A) 3          4          1          2

    B) 3          1          4          2

    C) 2          3          1          4

    D) 4          3          1          2

    Correct Answer: A

    Solution :

     \[A:a\times a\times a\times a\times b\times b\times b={{a}^{4}}.{{b}^{3}}\] \[B:{{a}^{5}}\times a\times a\times {{b}^{3}}\times {{b}^{2}}={{a}^{7}}.{{b}^{5}}\] \[C:c\times c\times a\times {{a}^{2}}\times a={{c}^{2}}.{{a}^{4}}\] \[D:{{a}^{2}}\times {{a}^{4}}\times {{b}^{3}}\times {{b}^{3}}\times {{c}^{4}}={{a}^{6}}.{{b}^{6}}{{c}^{4}}\]


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