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What is the speed of the boat in still w...

What is the speed of the boat in still water? I. The speed downstream of the boat is thrice the speed upstream. II. The sum of the speeds of the boat, upstream and downstream is 12 kmph.

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Knowledge Check

  • The speed of a boat downstream is 15 km/hr and the speed of the stream is 1.5 km/hr. The speed of the boat upstream is -----

    A
    13.5 km/hr
    B
    16.5 km/hr
    C
    12 km/hr
    D
    8.25 km/hr

  • The speed of a boat downstream is 15 km/hr and the speed of the stream is 1.5 km/hr. The speed of the boat upstream is -----

    A
    13.5 km/hr
    B
    16.5 km/hr
    C
    12 km/hr
    D
    8.25 km/hr

  • Twice the speed downstream is equal to the thrice the speed upstream, the ratio of speed in still water to the speed of the current is:

    A
    `1:5`
    B
    `5:1`
    C
    `1:3`
    D
    `2:320`

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    What is the speed of the boat in still water? I. The boat covers a distance of 48kms in 6 hours while running upstream.II.The boat covers the same distance in 4 hours while running downstream.

    What is the speed of boat in still water? I. The boat covers downstream distance of 24 km in 4 hrs. II. The boat takes 6 hrs to cover the 24 km upstream.

    If the speed of a boat in still water is 8 km/h and the rate of stream is 4 km/h, then find upstream speed of the boat.

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