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1.4.8 Arithmetic sequences and series (A-level only)

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Question 17

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+⋯+303

Find

a.

the number of terms in the series,

[3]
b.

the sum of the series.

[3]
Markscheme

1.4.8 Arithmetic sequences and series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.4.8 Arithmetic sequences and series (A-level only)

41 exam-style questions on OCR A Level Maths 1.4.8 Arithmetic sequences and series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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