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25 March, 00:45

To cover a distance of 240km, a car has to increase the speed by 5km/hr to reach in time. If the time lost was 40 minutes during traffic jam, find the original speed of the car.

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  1. 25 March, 01:12
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    Step-by-step explanation:

    Given That

    To cover a distance of 240km, a car has to increase the speed by 5km/hr to reach in time. If the time lost was 40 minutes during traffic jam, find the original speed of the car.

    .

    increased speed of car = 5km/hr ... (speed 1st)

    distance travelled = 240km

    speed = distance travelled / time taken

    = 240 / 40

    = 6

    thus,

    speed = 6km/hr ... (speed 2nd)

    .

    therefore original speed

    = speed 2nd - speed 1st

    = 6-5

    = 1

    Ans. thus, the original speed of the car is 1km/hr.
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