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A boat goes 20 km downstream in 1 h and ...

A boat goes 20 km downstream in 1 h and the same distance upstream in 2h. The speed of the boat in still water is-

A

(A) 15 km/h

B

(B) 10 km/h

C

(C) 5 km/h

D

(D) 7.5 km/h

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Knowledge Check

  • A boat goes 40 km upstream in 8 hours and 36 km downstream in 6 hours. The speed of the boat in still water is

    A
    6.5 km/hr
    B
    5.5 km/hr
    C
    6 km/hr
    D
    5 km/hr

  • A boat goes 75 km upstream in 3 hours and 60 km downstream in 1.5 hours .The speed of the boat in still water is :

    A
    32 . 5 kmph
    B
    30 kmph
    C
    65 kmph
    D
    60 kmph

  • A boat goes 40 km. upstream in 8 hours and 36 km. downstream in 6 hours. The speed of the boat in standing water is-----

    A
    6.5 km/hr
    B
    6 km/hr
    C
    5.5 km/hr
    D
    5 km/hr

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