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  3. Banking
  4. Quantitative Aptitude

Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-3

  • question_answer
    Six bells commence tolling together at intervals of 2, 4, 6, 8, 10 and 12 s, respectively. In 30 min how many times do they toll together?                                                                                    [BSSC (CGL) 2015]

    A)  4

    B)  10    

    C)  15

    D)  16

    Correct Answer: D

    Solution :

    [d] LCM of 2, 4, 6, 8, 10, 12 = 120 \[\therefore \] All six bells toll together at an interval of 120 s or 2 min. So, in 30 min they will toll together \[=\frac{30}{2}+1=16\,time\] [including the one at beginning]


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