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Discussion :: IBPS BANK EXAM TEST 3

  1. (5*5*5*5*5*5)4 * (5*5)6 ÷ (5)2 = (25)?
    2. A.

    10
    B.

    17
    C.

    19
    D.

    12
    E.

    None of these

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    Answer : Option B

    Explanation :

    (253)4 * (25)6 ÷ (25)1 = 25?
    (25)12+6-1 = 25?
    ? = 17
    [(am)n = amn
    am * an = am+n
    am ÷ an = am-n]

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