ECZ 2025 · GCE Paper 1 — Sets
Given that P={x:10≤x≤20,x is a prime number }, list set P .
- A. {11,13,15,17,19}
- B. {2,3,5,7,11,13,17,19}
- C. {11,13,17,19}
- D. {10,11,13,17,19}
Verified working — step 1
The prime numbers from 10 to 20, inclusive, are: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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