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

  • question_answer
    DIRECTIONS: In each of the following questions, three statements of numbers following same rules are given. Find the rule and accordingly find the value of the number? If \[16=16,\] \[4\times 6-2=14\]\[\times \text{to }\div ,2\text{and}4\] then \[\text{- to }\div ,2\text{and6}\]

    A) 425                             

    B) 1625

    C) 4125   

    D) 2541

    Correct Answer: C

    Solution :

        The rule is:  \[+\] \[+\] \[(10C4)+\] \[(4C4)\] \[84\oplus 72=45;\] 


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