The fourth term of an arithmetic series is 18 and the sum of the first ten terms of the series is 210.
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 500.
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.