ECZ 2019 · GCE Paper 1 — Earth Geometry
The diagram below shows point A(60°N, 30°W), B(30°S, 30°W) and C(30°S, 75°E) on the surface of the Earth. If the local time at B is 15 00, what is the local time at C?
- A. 08 00
- B. 22 00
- C. 18 30
- D. 12 00
Verified working — step 1
B and C sit on OPPOSITE sides of the Greenwich meridian, so their longitudes add - then 15° is 1 hour, and EAST means AHEAD.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