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AFCAT - Time speed & Distance Test 923
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AFCAT - Time speed & Distance Test 923

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  • Question 1/5
    1 / -0.33
    A car covers a distance of 480 km at certain speed. If the speed is decreased by 20 kmph, it will take two more hours to cover the same distance. Then find out the original speed of the car in kmph.
    Solutions

    Let the original speed of the truck is x kmph.

    So according to question,

    Considering +ve value,

    Speed of car is 80 kmph.

  • Question 2/5
    1 / -0.33
    A train crosses two person, who are walking at 3 kmph and 6 kmph respectively in same direction in which train is going, in 12 and 15 seconds respectively. Then find the length of train in meter.
    Solutions

    Let speed of train is ‘s’ kmph and length is ‘l’ km.

    Time taken to cross person 1

    Time taken to cross person 3

    Equation (1) – equation (2),

    Length of train is 50 m.

  • Question 3/5
    1 / -0.33
    In what time (second) a train 80 meters long cross an electric pole, if its speed be 116 kmph?
    Solutions

    We know,

    Speed is given in kmph, convert it in m/s by multiplying 5/18.

    Speed= 116x5/18

    Speed= 32.23 m/s

    Time =

    Time = 2.48 second

  • Question 4/5
    1 / -0.33
    The average speed of a bus is one-third to the speed of a train. The train covers 900 km in 12 hour. How much distance will cover bus in 48min?
    Solutions
    Speed of train =

    Speed of bus =  × speed of train = × 75 = 25 km/h

    Distance covered by bus in 60 min. = 25 km/h

    Distance covered by bus in 48 min. =.

  • Question 5/5
    1 / -0.33
    A man runs on a square track of 35 m in length with a speed of 9 kmph. What is the total time taken by him to complete a round of the track?
    Solutions
    The perimeter of the track

    Speed of the man

    Total time is taken by him to complete around

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