| Exam Board | OCR MEI |
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| Module | C2 (Core Mathematics 2) |
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| Year | 2015 |
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| Session | June |
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| Topic | Arithmetic Sequences and Series |
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3 An arithmetic progression has tenth term 11.1 and fiftieth term 7.1. Find the first term and the common difference. Find also the sum of the first fifty terms of the progression.