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SSC Quantitative Aptitude Speed, Time and Distance Question Bank Speed Time and Distance (I)

  • question_answer
    Shri X goes to his office by scooter at a speed of 30 km/h and reaches 6 min earlier. If he goes at a speed of 24 km/h, he reaches 6 min late. The distance of his office is

    A) 20 km

    B) 21 km

    C) 22 km

    D) 24 km

    Correct Answer: D

    Solution :

    [d] \[\because \]\[x=30,\]\[y=24,\]\[{{t}_{1}}=\frac{6}{60},\] \[{{t}_{2}}=\frac{6}{60}\] \[\therefore \] Required distance \[=\frac{xy\,({{t}_{1}}+{{t}_{2}})}{x-y}\] \[=\frac{30\times 24}{30-24}\times \left( \frac{6}{60}+\frac{6}{60} \right)=24\]


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