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Home Verbal Reasoning Routes and Networks See What Others Are Saying!
  • Question
  • If the government wants to ensure that the traffic at S gets evenly distributed along streets from S to A, from S to B, and from S to D, then a feasible set of toll charged (in rupees) at junctions A, B, C, and D respectively to achieve this goal is:


  • Options
  • A. 0, 5, 4, 1
  • B. 0, 5, 2, 2
  • C. 1, 5, 3, 3
  • D. 1, 5, 3, 2

  • Correct Answer
  • 0, 5, 4, 1 

    Explanation

    According to question ,
    If all the five routes have the same cost, then there will be an equal flow in all the five routes, i.e. 20% in each route.
    But then the percentage of traffic in S - A = 20% (Only one route involving S - A)
    S - B = 40% (As there are two routes involving S - B)
    S - D = 40% (As there are two routes involving S - D)
    But here the given condition that traffic in S-A is equal to that in S - B, which in turn is equal to S - D is not satisfied.
    Of the routes, that can be used the number of routes involving S - A must be the same as S - B, which in turn is same as that as S - D.
    That is possible only when we block the junction C and that can be done by taking higher toll charge at C to achieve this goal c > 3.
    Hence , required answer will be option A .


  • More questions

    • 1. Find the odd one out:

    • Options
    • A. Mars
    • B. Sun
    • C. Saturn
    • D. Mercury
    • Discuss
    • 2. 
      Which one is true?
      I. All players are not tall.
      II. All basketball players are tall.
      III. All tall people are players.
      IV. Some players are tall.

    • Options
    • A. IV
    • B. III.
    • C. II.
    • D. I.
    • Discuss
    • 3. 
      'Crawl' is related to which of the following in the same way as 'Fly' is related to 'Parrot'?

    • Options
    • A. Rabbit
    • B. Fish
    • C. Frog
    • D. Crocodile
    • Discuss
    • 4. 
      NA

    • Options
    • A. Mattress
    • B. Pillow
    • C. Bed sheet
    • D. Curtain
    • Discuss
    • 5. 
      Smoke : Pollution :: War :?

    • Options
    • A. Peace
    • B. Victory
    • C. Treaty
    • D. Destruction
    • Discuss
    • 6.  Statements: All the locks are keys. All the keys are bats. Some watches are bats.

      Conclusions:

      1. Some bats are locks.
      2. Some watches are keys.
      3. All the keys are locks.


    • Options
    • A. Only (1) and (2)
    • B. Only (1)
    • C. Only (2)
    • D. Only (1) and (3)
    • Discuss
    • 7. 
      NA

    • Options
    • A. Tomato
    • B. Potato
    • C. Carrot
    • D. Onion
    • Discuss
    • 8. 120, 99, 80, 63, 48,?

    • Options
    • A. 35
    • B. 38
    • C. 39
    • D. 40
    • Discuss
    • 9. 
      1, 1, 2, 6, 24,?, 720

    • Options
    • A. 100
    • B. 104
    • C. 108
    • D. 120
    • Discuss
    • 10. 
      Lion : Cow : Land

    • Options
    • A. Water : Land : Air
    • B. Whale : Hippopotamus : Water
    • C. Chair : Table : Stool
    • D. England : Germany : USA
    • Discuss


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