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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-1

  • question_answer
    The least number which is a perfect square and is divisible by each of the numbers 18,26 and 32, is:

    A)  1600              

    B)  3600

    C)  6400              

    D)       97344

    Correct Answer: D

    Solution :

     The least number divisible by 18, 26, 32 L.C.M. of 18 ,26 ,32=3744\[=2\bullet 2\bullet 2\bullet 2\bullet 2\bullet 3\bullet 3\bullet 13\] To make it a perfect square, it must be multiplied by Required number = \[3744\times 2\times 13=97344\]


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