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Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-47

  • question_answer
    Three bells chime at interval of 48, 60 and 90 min, respectively. If all the three bells chime together at 10: 00 am. At what time will all the three chime again that day

    A) 1 : 00 pm                     

    B) 2 : 00 pm

    C) 8 : 00 pm                     

    D) 10 : 00 pm

    Correct Answer: D

    Solution :

    We have to find out the LCM of 48,60 and 90
    \[\therefore \] LCM \[=2\times 3\times 2\times 2\times 2\times 5\times 3\]
    \[=720\min =\frac{720}{60}h=12\,\,h\]
    \[\therefore \]Bell chime together again at 10: 00 am + 12 h
    = 10: 00 pm


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