The first term of a geometric series is 120. The sum to infinity of the series is 480.
Show that the common ratio, rrr, is 34\displaystyle \frac{3}{4}43.
Find, to 2 decimal places, the difference between the 5th and 6th terms.
Calculate the sum of the first 7 terms.
The sum of the first n n\,n terms of the series is greater than 300. Calculate the smallest possible value of nnn.
9 exam-style questions on Edexcel A Level Old Maths Sequences and Series. Each one has a worked solution and a mark scheme showing where the marks go.