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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-14

  • question_answer
                Four of the following five are alike in a certain way and hence form a group. Which one of the following is different from the group?

    A)  226                   

    B)         290                 

    C)         360                   

    D)         170

    Correct Answer: C

    Solution :

    After a close look you will get that except 360 each number is one more than square of a natural number, i.e., \[226={{15}^{2}}+1;\,\,290={{17}^{2}}+1;\,170={{13}^{2}}+1;\] \[122={{11}^{2}}+1\]


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