ECZ 2023 · GCE Paper 1 — Earth Geometry
Towns A and B are on longitudes 75°W and 45°E respectively. Find the time difference between these towns.
- A. 5 hours
- B. 120 hours
- C. 8 hours
- D. 2 hours
Verified working — step 1
A and B sit on OPPOSITE sides of the Greenwich meridian, so their longitudes add - then every 15° of longitude is 1 hour.The full step-by-step working and final answer, plus the video lesson for this topic, are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question