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SSC Sample Paper Mock Test-13 SSC CGL Tear-II Paper-1

  • question_answer
    A man travelled a distance of 61 km in 9 h partly on foot at the rate of 4 km/h and partly on bicycle at the rate of 9 km/h. The distance travelled on foot was

    A) 12 km

    B)  16 km

    C)  20 km

    D)  24 km

    Correct Answer: B

    Solution :

    Let man walked for t h. \[\therefore \]  \[t\times 4+(9-t)\times 9=61\] \[\Rightarrow \]\[4\,t+81-9\,t=61\] \[\Rightarrow \]\[81-5\,t=61\] \[\Rightarrow \]\[5\,t=20\] \[\Rightarrow \]\[t=40\] \[\therefore \] Distance travelled on foot \[=4\times 4=16\,\,\text{km}\]


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