SK BELLARE
SK BELLARE
8 years ago

Two men start together to walk to a city garden, one at 3.75 km an hour and another at 3 km an hour. The former arrives half an hour before the later. What is the distance?

A. 7 km

B. 2 km

C. 3 km

D. 7.5 km


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Comments ( 1 )

  1. Priti Saraf
    Priti Saraf :
    8 years ago

    Let the distance be D.
    Time taken by first person = D/3.75
    Time taken by second person = D/3
    According to the problem,
    D/3 - D/3.75 = 0.5
    0.75D/11.25 = 0.5
    D = 0.5*11.25/0.75 = 7.5 km

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