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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-22

  • question_answer
    Find the lowest number between 50 and 100 which is exactly divisible by 3, 6 and 15

    A)  150                 

    B)  75   

    C)  120                 

    D)  60

    Correct Answer: D

    Solution :

    \[3=3\times 1,\,\,6=2\times 3,\,\,15=3\times 5\] \[\therefore LCM=2\times 3\times 5=30\] But 30 is not a number between 50 and 100. \[\therefore \]Required number divisible by 3, 6 and 15 and in between 5 and \[100=2\times 30=60\]


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