The second term of a geometric series is 100 and the fifth term of the series is 12.5.
Find the common ratio.
Find the first term of the series.
Find the sum of the first 8 terms, giving your answer to the nearest whole number.
22 exam-style questions on Edexcel A Level Maths 3.4 Geometric Series. Each one has a worked solution and a mark scheme showing where the marks go.