ECZ 2014 · O-Level Paper 1 — Sets
The Venn diagram shows the number of pupils who take Mathematics (M), Physics (P) and Chemistry (C) at Imishila Secondary School. Write an expression, in terms of x, for the total number of pupils who take Physics.
- A. x + 8
- B. 2x + 5
- C. 2x + 8
- D. x + 5
Verified working — step 1
The P circle holds four regions: P only (5), M ∩ P only (x), all three (3) and P ∩ C only (x). Total = 5 + x + 3 + x = …The full step-by-step working and final answer 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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