Subject

    Quantitative Aptitude

    Topic

    Number

    What is the right most integer of the expression 65776759  +  5469746765776^{759}\;+\;54697^{467} ?

    ক)
    4
    খ)
    5
    গ)
    9
    ঘ)
    13

    Explanation

    Last digit for the power of 6 is 6 (always) Power cycle of 7 is 7, 9, 3, 1. Now 467/4 gives a remainder of 3 Then the last digit is 737^3 = 3 Last digit is 6 + 3 = 9.

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