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Mann travelled one third of a Journey at 10 kmph, the next one third at 9 km/h & the rest at 8 kmph. If Mann had travelled half the journey at 10 kmph & the other half at 8 kmph, Mann would have taken half a minute more. Find the distance travelled by Mann.

Option 1 -

19

Option 2 -

27

Option 3 -

35

Option 4 -

45

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago
    Correct Option - 2


    Detailed Solution:

    (b):If X be the distance, we have:

    ( X 3 ) 1 0 + ( X 3 ) 9 + ( X 3 ) 8 + ( 1 2 ) 6 0 = ( X 2 ) 1 0 + ( X 2 ) 8 or

    X = 27 km.

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