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10th Class Mental Ability Sequential Output Tracing Question Bank Sequential Output Tracing

  • question_answer
    Direction: Study the following information carefully to answer the following questions.
     
    A number arrangement machine when given an input of numbers, rearranges them in a particular rule in each step. The following is an illustration of input and steps of rearrangement.
     
    Input : 25 280 345   36   93 147 550
    Step I: 550   280   345    36    93   147  25
    Step II; 550   345   280    36    93   147  25
    Step IV: 550   345   280    147   93   36   25
     
    This is the final arrangement and step III is the last step for this input.
    If following is the first step for an input what will be the fourth step?
    Step I: 498 175 292 96 79 387 158

    A) 498          387    292       175       158       79         96

    B) 498          387    292       175       158       96         79

    C) 498     387         292       175       96         158       79

    D) 498          387    292       175       79         158       96

    Correct Answer: B

    Solution :

    The numbers are arranged in descending order and also the largest number interchanges its place with the first number/    the second largest number interchanges with the number next to the largest number/ and so on.
    Step I :      498 175 292 96 79 387 158
    Step II : 498 387 292 96 79 175 158
    Step III 498 387 292 175 79 96 158
    Step IV :         498 387 292 175 158 96 79


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