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1.6.15 Standard formulae for geometric series (A-level only)

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Question 3

The second term of a geometric series is 100 and the fifth term of the series is 12.5.

a.

Find the common ratio.

[2]
b.

Find the first term of the series.

[2]
c.

Find the sum of the first 8 terms, giving your answer to the nearest whole number.

[2]
Markscheme

1.6.15 Standard formulae for geometric series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.6.15 Standard formulae for geometric series (A-level only)

22 exam-style questions on OCR (MEI) A Level Maths 1.6.15 Standard formulae for geometric series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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