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6th Class Mathematics Integers Question Bank Integers

  • question_answer
    Simplify: \[\text{9- }\!\![\!\!\text{ 8+ }\!\!\{\!\!\text{ 7-(6-}\overline{\text{5-4}}\text{ }\!\!\}\!\!\text{  }\!\!]\!\!\text{ -1}\]

    A) 2

    B) -2  

    C) 0                            

    D) -1

    Correct Answer: B

    Solution :

    Apply BODMAS rule. \[9-[8+\text{ }\!\!\{\!\!\text{ }7-(6-\overline{5-4})\}]-1\] \[=9-[8+\{7-(6-1)\}]-1\] \[=9-[8+\{7-5)\}-1\] \[=9-[8+2]-1\] \[=9-10-1\] \[=9-11=-2\]


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