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8th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    If\[~15-5\div 5\times 20+10=6\]\[8\div 10-3+5\times 6=8\]\[6\times 2+3\div 12-3==15\]then\[3\div 7-5\times 10+3=10\]

    A) 17                               

    B) 18

    C) 15                               

    D) 16

    Correct Answer: D

    Solution :

        The rule is \[\text{+ and  }\!\!\times\!\!\text{ ,2 and 6}\] \[\text{+ and  }\!\!\times\!\!\text{ ,4 and 6}\]  \[\text{+ and  }\!\!\times\!\!\text{ ,4 and 6}\]


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