Series: past paper questions
Real questions on series
The newest 20 of 95 written questions. Open one to see it on the real paper.
- 0606/11 · May/June 2026 · Q9a(i)[2]
2-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/11 · May/June 2026 · Q9a(ii)[2]
2-mark question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/12 · May/June 2026 · Q4a[2]
2-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/12 · May/June 2026 · Q4b[3]
3-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/13 · May/June 2026 · Q2[5]
5-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/21 · May/June 2026 · Q7[6]
6-mark question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · May/June 2026 · Q6[8]
8-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/12 · February/March 2026 · Q4[3]
3-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · February/March 2026 · Q11b[4]
4-mark “Show” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/02 · Specimen 2025 · Q10a[3]
3-mark question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/02 · Specimen 2025 · Q10b(i)[2]
2-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/02 · Specimen 2025 · Q10b(ii)[3]
3-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/11 · October/November 2025 · Q5a[3]
3-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/11 · October/November 2025 · Q5b[4]
4-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/21 · October/November 2025 · Q10[5]
5-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · October/November 2025 · Q3[6]
6-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · October/November 2025 · Q8b[2]
2-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · May/June 2025 · Q10[9]
9-mark question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · February/March 2025 · Q10[10]
10-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/11 · October/November 2024 · Q5a[2]
2-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper →
What examiners said
Comprehensive responses • Only candidates who made use of the general term made any real progress unless a fully reasoned explanation was given. • Many candidates were able to obtain either n = 3r or n = 1.5r depending upon which method had been used. • Few candidates stated that r had to be an integer, or equivalent, with completely correct working. Limited responses • Candidates who made a pure...
— Examiner report, February/March 2026, 0606/22 Q11(b) (Cambridge)
Many candidates correctly wrote down an expression for the 5th term and equated it to 11. Errors sometimes occurred in the second equation in a and d, with some candidates correctly writing down a second equation but then making an error expanding the brackets to reach a + 6d = 3a + d. Those that successfully expanded the brackets usually solved the resulting pair of simultaneous equations correct...
— Examiner report, October/November 2023, 0606/23 Q10(a) (Cambridge)
Many candidates successfully obtained a pair of equations in r and d, although a few wrote down correct expressions for the 2nd term of the AP and the 3rd term of the GP, for example, but did not equate them. Those that formed correct equations usually correctly eliminated either r or d. Those that eliminated d were often not able to give their quartic in r in solvable form, often reaching ( ) 3r...
— Examiner report, October/November 2023, 0606/23 Q10(b) (Cambridge)
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