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

  • question_answer
    Water flows into a tank which is \[200m\] long and \[150m\] wide, through a pipe of cross-section \[0.3m\times 0.2m\] at \[20\] km/hour. Then the time (in hours) for the water level in the tank to reach \[8m\] is

    A)  50                               

    B)  120

    C)  150                 

    D)         200  

    Correct Answer: D

    Solution :

     Water supplied by pipe in 1 hour\[=(0.3\times 0.2\times 20\times 1000)\] cubic metre \[=1200\] cubic metre \[\therefore \]Total time \[\text{=}\frac{\text{Volume}\,\,\text{of}\,\,\text{water}\,\,\text{to}\,\,\text{be}\,\,\text{filled}\,\,\text{in}\,\,\text{the}\,\,\text{tank}}{\text{1200}}\] \[\text{=}\frac{200\times 150\times 8}{1200}=200\]hours


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