ArithmeticRavi covers two-third of a journey at 40 kmph and the rest at 20 kmph. If he takes 8 hours in all. What is the length of the journey in Km?

Ravi covers two-third of a journey at 40 kmph and the rest at 20 kmph. If he takes 8 hours in all. What is the length of the journey in Km?

  1. A

     480

  2. B

    240 

  3. C

    120

  4. D

    520 

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    Solution:

    Total distance= x km

    2x340+x320=8

    2x3+2x340=8

    4x3=320

    x=240km

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