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Decision Making - Courier Logistics and Train Timetables

XAT 2018 · Decision Making · Hard · Data Interpretation

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Answer questions 39-41 on the basis of information given in the following situation.

A courier service has offices at three locations: Jamshedpur, Kharagpur and Howrah. Its employees travel by trains from one location to another for pick-up and delivery. It takes 40 minutes for an employee to travel from any railway station to the nearest office (and another 40 minutes for coming back); the paperwork to deliver the parcel at the respective office takes an additional 10 minutes. Assume employees do not waste any time.

Employees have the option to choose from any of the trains, whose timetable is given in the table below. Assume all trains travel on time and there is no time gap between arrival and departure of a train. Further, assume that the employee boards the train as soon as it arrives at the station.

Train Numbers ->T101T102T103T104T105
Jamshedpur Station6:007:3010:1515:0017:00
Kharagpur Station7:309:0512:0516:5018:25
Howrah Station9:0511:1014:3018:0020:30
Train Numbers ->T201T202T203T204T205
Howrah Station6:308:3010:3014:3016:00
Kharagpur Station8:1510:4012:1516:1517:55
Jamshedpur Station10:2012:3514:0017:4520:00

Question 1 of 3

What will be the minimum time required to deliver a parcel at Kharagpur office from Jamshedpur station and come back to Jamshedpur station?

  1. A.

    4 hours 25 minutes

  2. B.

    5 hours 5 minutes

  3. C.

    6 hours 35 minutes

  4. D.

    7 hours 30 minutes

  5. E.

    None of the above

Answer

B

Explanation

Board T102 at Jamshedpur (7:30) -> Arrive Kharagpur (9:05). Travel to office (40m) + paper (10m) + travel back to station (40m) = 90 mins -> Ready at Kharagpur station at 10:35. Board T202 at 10:40 -> Arrive Jamshedpur at 12:35. Total duration = 7:30 to 12:35 = 5 hours 5 minutes.

Question 2 of 3

An employee, starting from Howrah station, has to deliver one parcel at Kharagpur office and another parcel at Jamshedpur office. His task starts the moment he boards the train at Howrah station, and gets completed immediately after delivering the second parcel. Which of the following trains should he board at Howrah station to minimize the time required to complete his task?

  1. A.

    T201

  2. B.

    T202

  3. C.

    T204

  4. D.

    Both Option A and Option B

  5. E.

    Both Option B and Option C

Answer

E

Explanation

Boarding T202 (8:30) takes 6 hours 20 minutes total. Boarding T204 (14:30) also takes 6 hours 20 minutes total. Both achieve the minimum time.

Question 3 of 3

An employee, starting from Kharagpur station, has to deliver one parcel at Howrah office and another parcel at Jamshedpur office. His task starts the moment he boards the train at Kharagpur station, and gets completed immediately after delivering the second parcel. Which of the following trains should he board at Kharagpur station to minimize the time required to complete the task?

  1. A.

    T102

  2. B.

    T103

  3. C.

    T202

  4. D.

    T203

  5. E.

    Both Option B and Option D

Answer

B

Explanation

Evaluating options: Taking T103 (12:05) allows arriving Howrah, completing delivery, boarding T204/T205, and delivering to Jamshedpur in 8 hours 45 minutes, which is faster than T102 (9 hours 30 mins).

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