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X takes 3 hours more than Y to walk 30km...

X takes 3 hours more than Y to walk 30km. But, if X double his pace, he is ahead of Y by `1 1/2hou r s` . Find their speed of walking.

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A takes 3 hours more than B to walk a distance of 30 km. But, if A doubles his pace (speed) he is ahead of B by 1 1/2 hours. Find the speeds of A and B .

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Knowledge Check

  • The speed of a motor boat is 20km/hr for covering the distance of 15km. The boat took 1 hour more for upstream than downstream. Let the speed of the stream be x km/hour, then the speed of the motor boat in upstream will be:

    A
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    B
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    C
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    D
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