Skip to main content
O-LevelAdditional MathematicsSeriesOct/Nov 2025Paper 2 Q87 Marks

An arithmetic progression has first term t and common difference 1.5. The 4th, 8th and 20th terms of this arithmetic progression form the 1st, 2nd and 3rd terms of a geometric progression.

✓ Correct Answer

The correct answer is . This question tests the candidate's understanding of series within the Additional Mathematicssyllabus. The examiner's mark scheme requires...

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🔒

Unlock the Examiner's Answer

Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.

Sign Up Free to Unlock →

Join thousands of Cambridge students already using Oracle Prep

About This O-Level Additional Mathematics Question

This structured question appeared in the Cambridge O-Level Additional Mathematics (4037) Oct/Nov 2025 examination, Paper 2 Variant 2. It tests the topic of Series and is worth 7 marks.

Oracle Prep provides AI-powered practice for all Cambridge O-Level and A-Level subjects. Our platform includes topic predictions with 87.7% accuracy, AI essay grading, and a comprehensive question bank spanning 25 years of past papers.

© 2026 Oracle Prep — The AI-Powered Cambridge Exam Engine