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Discussion :: IBPS BANK EXAM TEST 1

  1. If it is possible to from only one such number with the third, the sixth and the seventh digits of the number 7394261 which is the perfect square of a two digit odd number, which of the following will be the first digit of that two digit odd number?


    2. A.

    9
    B.

    3
    C.

    5
    D.

    No such number can be formed

    E.

    More than one such number can be formed

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    Answer : Option B

    Explanation :

    1   2   3   4   5   6   7 

    |   |   |   |   |   |   |

    7   3   9   4   2   6   1


    169 => 13 * 13

    196 => 14 * 14

    But, 14 is an even number.

    Required number = 13

    its unit's digit is 3.

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