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

  • question_answer
    The average speed of a car is \[1\frac{4}{5}\] times the average speed of a bus. A tractor covers 575 km in 23 h. How much distance will the car cover in 4 h, if the speed of the bus is twice the speed of the tractor?

    A) 340 km

    B) 480 km

    C) 360 km

    D) 450 km

    Correct Answer: C

    Solution :

    [c] \[\because \]Speed of tractor \[\text{=}\frac{\text{Distance}\,\,\text{covered}}{\text{Time}\,\,\text{taken}}\text{=}\frac{\text{575}}{\text{23}}\text{=25}\,\text{km/h}\] \[\therefore \] Speed of bus \[=2\times \]Speed of tractor \[=2\times 25=50\,km/h\] and speed of car \[=\frac{9}{5}\times 50\] \[=90\,km/h\] Hence, distance covered by car in \[4\,h=90\times 4=360\,km\]


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