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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2010

  • question_answer
    A car leaves station\[X\]for station Y every 10 min. The distance between\[X\]and Y is 60 km. The car travels at a speed of 60 km/h. A man drives a car from Y station towards\[X\]station at speed 60 km/h. If he starts at the moment when one of the car leaves station\[X\]how many cars would be meet on route?

    A)  10                                         

    B)  11

    C)  20                                         

    D)  21

    Correct Answer: B

    Solution :

                    Speed of every car is 60 km/h Distance between two stations = 60 km Time taken by car to reach the other station \[=\frac{60}{60}=1\,h=60\,\min \] Number of car leaving the station\[X\]in 60 min                 \[=\frac{60}{10}=6\] When 1st car reaches the station Y the car sixth just starts its journey. The car Y will encounter the number of cars coming from X in route\[=6+5=11\].


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