The third term of an arithmetic series is 10 and the sum of the first nine terms of the series is 153.
Find the first term of the series.
Find the common difference.
Find the highest value of n n\,n for which the sum of the first n n\,n terms is less than 300.
Practise Edexcel A Level Maths 3.2 Arithmetic Series with exam-style questions for A Level Maths. 38 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.