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Rosie's Papers Set A Paper 1 · Q20

Paper 1Logic & proofSequences & series

An arithmetic progression has a non-zero common difference dd. The 1st term, 4th term and the 10th term of this arithmetic progression form the first three consecutive terms of a geometric progression, in that specific order. Which of the following statements about the arithmetic progression must be true?

AThe first term is equal to the common difference
BThe first term is three times the common difference
CThe first term is half of the common difference
DThe sum of the first 10 terms of the arithmetic progression is equal to zero
EThe 10th term of the arithmetic progression is equal to zero

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