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WAEC Geography 2025 Question 28

Question 28

Latitude, Longitude and Time

If someone in Town A located on longitude 135°E telephones a friend in Town B located on longitude 120°W at 10.00 a.m, at what time will his friend in Town B receive the call?

  1. A.5:00 a.m
  2. B.5:00 p.m
  3. C.4:00 p.m
  4. D.4:00 a.m
Show the answer and explanation

Answer: B (5:00 p.m)

Explanation

Difference = 135 + 120 = 255° × 4 min = 1,020 min = 17 hours; B is west, so its time is behind: 10.00 a.m. − 17 h = 5.00 p.m. (the previous day).