The arithmetic series SSS is given by
S=7+11+15+19+⋯+303 S = 7 + 11 + 15 + 19 + \cdots + 303 S=7+11+15+19+⋯+303Find
the number of terms in the series,
the sum of the series.
63 exam-style questions on CCEA A Level Maths 3.3.4 Sequences and series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.