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Discussion :: Number,Ranking&Time Sequence Test

  1. Answer these questions based on the set of numbers given below :
    738   429   156   273   894

    What will be the difference between the first digit of the highest number as well as of he lowest number after positions of he first two digits in each number are reversed?
    2. A.
    7
    B.
    6
    C.
    5
    D.
    4
    E.
    None of these

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    Answer : Option A

    Explanation :

    After reversing the first two digits of each number, we get 378, 249, 516, 723, 984. 

    1st digit of the highest number - 1st digit of the lowest number = 9 - 2 = 7.

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