ECZ 2010 · O-Level Paper 1 — Sequences and Series
For the sequence 7, 9, 11, 13, ... write down the eleventh term.
- A. 25
- B. 23
- C. 29
- D. 27
Verified working — step 1
From the 1st term to the 11th there are 10 GAPS - add ten common differences to the 7.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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