2. Sample Papers
  3. SSC

SSC Sample Paper SSC CGL - Sample Paper-9

  • question_answer
    A Watch which gains uniformly is 2 min slow at 10 am on Wednesday and is \[2\frac{1}{2}\] min fast at 1 pm the following day. When was it correct?

    A)  10 : 30 pm Wednesday 

    B)  9 : 15 pm Wednesday

    C)  10 : 45 pm Wednesday 

    D)  10 pm Wednesday

    Correct Answer: D

    Solution :

    Time from 10 am on Wednesday to 1 pm the following day \[=1\,\,\text{day}\,\,3\,h=27\,h\] The watch gains\[\left( 2+2\frac{1}{2} \right)\]min or\[\frac{9}{2}\]min in 27 h Now, \[\frac{9}{2}\] min are gained in 27 h. \[\therefore \] 2 min are gained in \[\left( 27\times \frac{9}{2}\times 2 \right)=12\,\,h.\] So, the watch is correct at 10 pm on Wednesday.


You need to login to perform this action.
You will be redirected in 3 sec spinner