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7th Class Mathematics Sample Paper Sample Paper - Maths - 1

  • question_answer
    Factors of \[-5{{x}^{2}}{{y}^{2}}z\] are

    A) \[-\,5\times x \times  y \times  z\]

    B)                \[-\,5\,\times {{x}^{2}}\times y\times z\]

    C)                \[-\,5\times x\,\times x\times y\times y\times z\]

    D)                \[-\,5\times x\times y\times {{z}^{2}}\]

    Correct Answer: C

    Solution :

    Sol. (c)           \[-5{{x}^{2}}{{y}^{2}}z\] can be written as \[-\,5\times x\times x\times y\times y\times z\].


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