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A man cycles from A to B a distance of ...

A man cycles from A to B a distance of 21km in 1 hour 40min the road from A is level for 13 km and then it is uphill to B the mans average speed on levels is 15km/hr find his average uphill speed.

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Knowledge Check

  • A man travel from A to B at a speed of 29 km/hr in 29 min. and he travel a distance from B to C with a speed of 39 km/hr in 29 min. Find the average speed of whole journey.

    A
    43 km/hr
    B
    34 km/hr
    C
    39 km/hr
    D
    40 km/hr
  • A man covers half of his journey at 6km/hr and the remaining half at 3km/hr. His average speed is

    A
    9 km/hr
    B
    4.5 km/hr
    C
    4 km/hr
    D
    3 km/hr
  • A goes office at a speed of 10 km/hr and returns home at 40 km/hr. What is his average speed (in km/hr)?

    A
    16
    B
    24
    C
    25
    D
    32
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    A train travels between two stations A and B . While going from A to B, its average speed is 80 km/hr, and when coming back from B to A . Its average speed is 120km/hr. find the average speed of the train during the whole journey.

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