SSC Sample Paper Mock Test-6 SSC CGL Tear-II Paper-1

  • question_answer
    A person covers a certain distance between his« house and office on motorcycle. Having an average speed of 30 km/h, he is late by 10 min. However with a speed of 40 km/h, he reaches his office in 5 min earlier. Find the distance between his house and office.

    A)  45 km

    B)                     30 km

    C)  25 km             

    D)  15 km

    Correct Answer: B

    Solution :

    Required distance \[=\frac{\text{Product}\,\,\text{of}\,\,\text{two}\,\text{speeds}}{\text{Difference}\,\,\text{of}\,\,\text{two}\,\,\text{speeds}}\]\[\text{ }\!\!\times\!\!\text{ }\,\,\text{Distance}\,\,\text{between}\,\,\text{arrival}\] times \[=\frac{30\times 40}{40-30}\times \frac{10+5}{60}=30\,\,km\]


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