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Class 10 Mathematics Arithmetic Progressions (AP)Introduction to APs and common difference.Expert

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What is the common difference of (100,97.5,95,92.5,\ldots)?

Answer and explanation

Correct answer: (-2.5)

Each term is (2.5) less than the previous one, so (d=-2.5). In exams, do not forget the negative sign in decreasing decimal sequences.

Related tags

Ap Decimal Difference Decreasing Sequence Introduction To Aps And Common Difference.Introduction To Aps And Common Difference Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics

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