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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-3

  • question_answer
    Three bells ring simultaneously at 11. a.m. They ring at regular intervals of 20 minutes, 30 minutes, 40 minutes respectively. The time when all the three ringing together next is

    A)  2 p.m.             

    B)  1 p.m.  

    C)  1.15 p.m.        

    D)         1.30 p.m.

    Correct Answer: B

    Solution :

     LCM of 20, 30 and 40 minutes = 120 minutes Hence, the bells will toll together again after 2 hours i.e. at 1 p.m.


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