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Data Interpretation: Trans-Continental Train Timetable

XAT 2019 · Quantitative Ability & Data Interpretation · Hard · Data Interpretation

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Passage / data set

Given below is the time table for a trans-continental train that cuts across several time zones. All timings are in local time in the respective cities. The average speed of the train between any two cities is the same in both directions.

local time arrivallocal time departureDirectionCityDirectionlocal time arrivallocal time departure
—6:00 AM↓\downarrowZut↑\uparrow12:40 PM—
7:45 AM7:50 AM↓\downarrowYag↑\uparrow10:50 AM10:55 AM
2:45 PM2:50 PM↓\downarrowVaq↑\uparrow11:50 PM11:55 PM
7:40 PM7:45 PM↓\downarrowSab↑\uparrow12:55 PM1:00 PM
10:40 PM—↓\downarrowRaz↑\uparrow—8:00 AM

Question 1 of 3

Which of the following pairs of cities are in the same time zone?

  1. A.

    Yag and Vaq

  2. B.

    Vaq and Sab

  3. C.

    Zut and Yag

  4. D.

    No pair of cities are in the same time zone.

  5. E.

    Sab and Raz

Answer

C

Explanation

Train time Zut to Yag: 6:00 AM to 7:45 AM = 1 hr 45 min. Return Yag to Zut: 10:55 AM to 12:40 PM = 1 hr 45 min. Since travel time is identical in both directions, Zut and Yag are in the exact same time zone.

Question 2 of 3

What is the total time taken in minutes by the train to go from Zut to Raz?

  1. A.

    22 hours, 40 minutes

  2. B.

    28 hours, 40 minutes

  3. C.

    16 hours, 40 minutes

  4. D.

    20 hours, 40 minutes

  5. E.

    24 hours, 40 minutes

Answer

A

Explanation

Analyzing directional time differences: Zut is 6 hours ahead of Raz. Departs Zut at 6:00 AM, arrives Raz at 10:40 PM local time (same day). Time elapsed in Raz local time =16 hrs 40 min= 16 \text{ hrs } 40 \text{ min}. Adding time zone offset of 6 hours =22 hrs 40 min= 22 \text{ hrs } 40 \text{ min}.

Question 3 of 3

What time is it at Yag when it is 12:00 noon at Sab?

  1. A.

    5:00 pm

  2. B.

    12:00 noon

  3. C.

    9:30 am

  4. D.

    7:00 am

  5. E.

    2:30 pm

Answer

A

Explanation

Yag is 5 hours ahead of Sab. When it is 12:00 noon at Sab, it is 12:00+5 hrs=5:00 PM12:00 + 5 \text{ hrs} = 5:00 \text{ PM} at Yag.

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