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Home Verbal Reasoning Routes and Networks See What Others Are Saying!
  • Question
  • The government wants to devise a toll policy such that the total cost to the commuters per trip is minimized. The policy should also ensure that not more than 70 percent of the total traffic passes through junction B. The cost incurred by the commuter travelling from point S to point T under this policy will be:


  • Options
  • A. $ 7
  • B. $ 9
  • C. $ 10
  • D. $ 13

  • Correct Answer
  • $ 10 

    Explanation

    On the basis of above given question , we can say that
    There must be one other route other than those involving B.
    We must take S - D - C - T as the other route.
    S - B - C - T, if toll at B = 3, total cost = 10
    S - D - C - T, if toll at D and C is 0, total cost is 10.
    Hence ,$ 10 is the least cost.


  • More questions

    • 1. Find the odd one out:

    • Options
    • A. Whim
    • B. Quirk
    • C. Caprice
    • D. Foible
    • Discuss
    • 2. 
      Water is related to oxygen as salt is to?

    • Options
    • A. Iron
    • B. Sodium
    • C. Calcium
    • D. Proteins
    • Discuss
    • 3. Which one will replace the question mark?


    • Options
    • A. 20
    • B. 26
    • C. 25
    • D. 75
    • Discuss
    • 4. 
      Your maid has invited you to her daughter's wedding, you would

    • Options
    • A. completely ignore her
    • B. attend the wedding
    • C. buy a gift for her daughter and help in wedding
    • D. congratulate her and make up some excuse for not being able to attend
    • Discuss
    • 5. 
      Statement
      Cases of road accidents are increasing constantly, particularly in the urban areas.
      Courses of Action
      I. Transport Authorities in the urban areas should impose stringent norms for maintenance of vehicles.
      II. Traffic police should severely punish those found to be violating traffic rules.

    • Options
    • A. if only I follows
    • B. If only II follows
    • C. if either I or II follows
    • D. if neither I nor II follows
    • Discuss
    • 6. Thermometer : Temperature

    • Options
    • A. Millimeter : Scale
    • B. Length : Breadth
    • C. Solar Energy : Sun
    • D. Cardiograph : Heart rate
    • Discuss
    • 7. 
      Thunder : Rain : : Night :?

    • Options
    • A. Evening
    • B. Dark
    • C. Day
    • D. Dusk
    • Discuss
    • 8. 
      Statements:
      (a) Some humane creatures are angels.
      (b) All doctors are angels.
      Conclusions:
      I. Some humane creatures are doctors.
      II. Some doctors are humane creatures.

    • Options
    • A. Only I follows
    • B. Only II follows
    • C. Either I or II follows
    • D. Neither I nor II follows
    • Discuss
    • 9. 
      'Parliament' is related to 'Great Britain' in the same way as 'Congress' is related to

    • Options
    • A. Japan
    • B. India
    • C. USA
    • D. Netherlands
    • Discuss
    • 10. 
      Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
      BR _ _ NB _ O _ NB

    • Options
    • A. OWOW
    • B. RORO
    • C. WNWN
    • D. OWRW
    • Discuss


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