ECZ 2025 · O-Level Paper 1 — Earth Geometry
The diagram shows the positions of three points P, Q and R on the earth's surface. When it is 08 00 hours at P, the time at Q is 11 00 hours. Given that P is on longitude 15°W, find the longitude on which Q lies.
- A. 30°E
- B. 60°E
- C. 45°E
- D. 30°W
Verified working — step 1
Longitude and time lock together: 15° of longitude per hour, and the place AHEAD in time lies further EAST.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.
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