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6th Class Mathematics Whole Numbers Question Bank Whole Numbers

  • question_answer
    Which of the following is NOT true?

    A)  \[(7+8)+9=7+(8+9)\]

    B)  \[(7\times 8)\times 9=7\times (8\times 9)\]

    C)  \[7+8\times 9=(7+8)\times (7+9)\]

    D)  \[7\times (8+9)=(7\times 8)+(7\times 9)\]

    Correct Answer: C

    Solution :

    \[7+8\times 9=7+72=79,\] \[(7+8)\times (7+9)=15\times 16=240\] And \[79\ne 240\]


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