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Discussion :: IBPS BANK EXAM TEST 2

  1. Directions(6-10): What should come in place of the question mark (?) in the following questions ?


    (6*6*6*6*6*6)4 * (6*6*6*6)5 / (6*6)7 = (36)7
    2. A.

    15
    B.

    21
    C.

    18
    D.

    27
    E.

    None of these

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    Answer : Option A

    Explanation :

    (363)4 * (362)5 / (36)7 = (36)?
    => 3612 * 3610 / 367 = 36?
    => 3612+10-7 = 36?
    => 3615 = 36?
    => ? = 15

    [(am)n = amn
    am * an = am+n
    am / an = am-n]

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